483 lines
23 KiB
Markdown
483 lines
23 KiB
Markdown
-## V 0.2.4
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-*Not yet released*
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## V 0.2.2 - 0.2.3
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*22 Jan 2021*
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- Allow interfaces to define fields, not just methods.
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- `vweb` now uses struct embedding: `app.vweb.text('hello') => app.text('hello')`.
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- Consts can now be declared outside of `const()` blocks: `const x = 0`.
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- Overloading of `>`, `<`, `!=`, `==`, `<=` and `>=` operators.
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- New struct updating syntax: `User{ ...u, name: 'new' }` to replace `{ u | name: 'new' }`.
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- `byte.str()` has been fixed and works like all other numbers. `byte.ascii_str()` has been added.
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- Smart cast in for loops: `for mut x is string {}`.
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- `[noinit]` struct attribute to disallow direct struct initialization with `Foo{}`.
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- Array decompose: `[1, 2, 3]...` is now `...[1, 2, 3]`
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- Treating `enum` as `int` and operations on `enum` except `==` and `!=` are removed for strict type checking.
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- Support `[manualfree] fn f1(){}` and `[manualfree] module m1`, for functions doing their own memory management.
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- Allow usage of `<` and `>` operators for struct in `.sort` method for arrays, i.e. `arr.sort(a < b)`.
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- Auto generate assignment operators like `+=`, `-=`, `*=`, `/=` and `%=` if the operators are defined.
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- Colorize and improve failing tests output.
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- Fix `go` with a generic function: `go test<string>(c, 'abcd')`.
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- Add comptime `x := $embed_file('v.png') println(x.len) println(ptr_str(x.data()))`, for embedding files into binaries.
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- Advanced vdoc search on mobile layout.
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- string's `left()`/`right` were removed in favor of slicing syntax: `str[..pos]`.
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- gg: native graphics mode on macOS/iOS (using Cocoa Drawing API).
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- Full path to consts must be specified everywhere. This makes it easy to distinguish them
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from local variables.
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- `__offsetof` for low level needs (works like `offsetof` in C).
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- vfmt now preserves empty lines, like gofmt.
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- Support for compile time environment variables via `$env('ENV_VAR')`.
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- Allow method declaration of `==` and `<` operators and auto generate `!=`, `>`, `<=` and `>=`.
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- support `dump(expr)`, i.e. tracing of both the location, name and value of an expression
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- deprecate os.exec in favour of os.executable() which does *NOT* return an option, when the command was not found
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## V 0.2.1
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*30 Dec 2020*
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- Hashmap bootstrapping fixes.
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- Array decomposition to varargs: `fn sum(i ...int) int` => `a := [2,3,4] println(sum(a...))`
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- HTML module docs generated by vdoc now have global search.
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## V 0.2
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*22 Dec 2020*
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- Compile-time memory management via `-autofree`. [Video demonstration](https://www.youtube.com/watch?v=gmB8ea8uLsM).
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It will be enabled by default in 0.3
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- Channels and locks.
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- Thread safe typed arrays via keyword `shared`.
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- Struct embedding.
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- IO streams.
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- A powerful websocket module that conforms to RFC 6455 and passes the Autobahn test suite (498 client tests and 249 server tests).
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- The `net` module is now non blocking and is more feature complete providing similar API to Go.
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- V's graphics module now uses Metal/DirectX/OpenGL instead of just OpenGL.
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- V can now run in the browser via WASM and execute V code by translating it to JavaScript:
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https://v-wasm.now.sh
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- V binaries for Linux/Windows/macOS are now built and deployed automatically via GitHub Actions.
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- Smart casting for sumtypes and interfaces, including complex expressions: `if x.expr is int { println(x.expr + 1) }`.
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- Clean and easy way to sort arrays: `users.sort(a.name > b.name)`.
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- A huge amount of `vfmt` fixes and improvements. It has now reached a point where it can be safely used on any V source file.
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- A new CI job that runs `v fmt -verify` on the entire code base, a new command that makes sure the file/directory
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has been vfmt'ed. This ensures that all code submitted to the V project is formatted.
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- A new tool `v vet` for analyzing the project and finding potential bugs and errors.
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- A new `term.ui` module for building dynamic terminal UIs with an example editor written in it.
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- Early iOS and Android support.
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- All missing ORM features from the old backend were brought back.
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- Magic `it` variable has been replaced with smart casts (the change is completely handled by vfmt).
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- Cross-compiling to Windows and Linux brought back.
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- C2V can now generate wrappers. Example: https://github.com/medvednikov/libsodium. (C2V will be released by 0.3)
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- C++ compiler support: code, generated by the C backend can now by compiled by C++ compilers.
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- Short generics syntax: `foo(5)` instead of `foo<int>(5)`.
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- Cached modules via `-usecache`. Faster compilation due to not needing to rebuild the entire vlib for
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each program. Will be enabled by default in 0.2.1.
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- New improved sum types implementation.
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- Lots of errors that happen often during the development cycle were turned into warnings to increase
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development speed. They are still errors in production builds.
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- Labeled `break` and `continue`.
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- Lots of documentation. The official language documentation grew 3 times in size.
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- `modules.vlang.io` is now generated automatically on every commit.
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- Builtin compile-time JSON serializer now supports `time.Time`.
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- Fixes in type aliases, to make them behave just like the types they alias.
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- `array.contains(element)` is now generic.
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- Lots of improvements in the JS backend and its type system.
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- Simpler and more constinent function arg syntax: `foo(a int, b int, c string)` instead of `foo(a, b int, c string)`
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- Lots of fixes and optimizations in the hashmap.
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- Lots of missing checks in the type checker were added (for example, checking the correct usage of public struct fields).
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- Mutability bug fixes
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- Taking the address of a map value is no longer allowed, like in Go.
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- Matrix multiplication.
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- A new `#pkgconfig` flag to provide platform independent way to get compilation flags for C libraries/packages.
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- Explicit parentheses requirement in complex boolean expressions.
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- `println` was made even smarter, and can now handle complex types.
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- Precompiled text templates can now be used outside of vweb via `$tmpl()`.
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- Gitly, a big web application written in vweb has been released: https://github.com/vlang/gitly
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- `['/:arg1/:arg2/action']` vweb action attribute for easily getting query parameters assigned to method arguments.
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- Improved performance of text rendering, `gg.text_width()`.
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- Webview module in V UI.
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- Binary enum flags.
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- `[export]` attribute to change exported function name (for example for calling from a C library).
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- `unsafe` fixes and improvements.
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- Improvements to rand: `rand.ulid()`, `rand.uuid()`, a unified customizable PRNG API.
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- Hundreds of other fixes, features, and tests (from now on the changelog will be updated
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right away as the feature/bug fix lands).
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## V 0.1.27
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*5 May 2020*
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- vfmt has been re-written from scratch using the new AST parser.
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It's much faster, cleaner, and can format
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files with compilation errors.
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- `strconv`, `sprintf`, and `printf` in native V, without any libc calls.
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- Interfaces are now a lot more stable and have all expected features.
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- Lots of x64 backend improvements: function calls, if expressions, for loops, local variables.
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- `map()` and `filter()` methods can now be chained.
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- New `[]int{cap:cap, len:len}` syntax for initializing array length and capacity.
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- New `is` keyword for checking the type of sum types and interfaces.
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- `as` can now be used to cast interfaces and sum types.
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- Profiling with `-profile`. Prints a nice table with details about every single function call:
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number of calls, average time per call, total time per function
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- `import(xxx)` syntax has been removed in favor of `import xxx` for simplicity and greppability.
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- Lots of fixes and improvements in the type checker.
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- `time.StopWatch`
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- `dl` module for dynamic loading.
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- Automatic `str()` method generation for every single type, including all arrays.
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- Short struct initialization syntax for imitating named function args: `foo(bar:0, baz:1)`.
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- New operator `!in`.
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- Performance improvements in critical parts of the builtin data structures (array, map).
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- High order functions improvements (functions can now be returned etc).
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- Anonymous functions that can be defined inside other functions.
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- Built-in JSON module is back.
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- Closures.
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- Lots and lots of new tests added, including output tests that test error messages.
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- Multiple errors are now printed, the compiler no longer stops after the first error.
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- The new JS backend using the AST parser (almost complete).
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- Variadic functions.
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- `net.websocket` module (early stage).
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- `vlib` is now memory leak free, lots of `autofree` improvements.
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- Simplified and cleaned up `cmd/v`, `v.builder`.
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- V UI was updated to work with the new backend.
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## V 0.1.25
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*1 Apr 2020*
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- The entire compiler has been re-written with an AST parser.
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The code is now a lot cleaner and more maintainable.
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~15k lines of old compiler code were removed.
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## V 0.1.24
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*31 Dec 2019*
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- A new parser/generator built on top of an AST that simplifies code greatly
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and allows to implement new backends much faster.
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- Sum types (`type Expr = IfExpr | MatchExpr | IntegerLiteral`).
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- B-tree map (sped up the V compiler by ~10%).
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- `v fmt -w`.
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- The entire code base has been formatted with vfmt.
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- Generic structs.
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- SDL module.
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- Arrays of pointers.
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- os: `is_link()`, `is_dir()`, `exists()`.
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- Ranging through fixed size arrays.
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- Lots of fixes in ORM and vweb.
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- The first tutorial: [building a simple web application with vweb](https://github.com/vlang/v/blob/master/tutorials/building_a_simple_web_blog_with_vweb/README.md)
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- Match expressions now must be exhaustive.
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- freestanding: `malloc()`/`free()`.
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- `++` is now required instead of `+= 1` for consistency.
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- Interpolated strings now allow function calls: `println('val = $get_val()')`.
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- `string.replace_each([])` for an efficient replacement of multiple values.
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- More utf8 helper functions.
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- `-prealloc` option for block allocations.
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- `type` aliases.
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- Running `v` with an unknown command will result in an error.
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- `atof` implementation in pure V.
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- Enums can now have negative values.
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- New `filepath` module.
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- `math.factorial`.
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- `ftp` module.
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- New syntax for casting: `val as Type`.
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- Fewer libc functions used (soon V will have no dependency on libc).
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## V 0.1.23
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*30 Nov 2019*
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- [Direct x64 machine code generation](https://github.com/vlang/v/issues/2849).
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Hello world being built in 3 milliseconds.
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- Bare metal support via the `-freestanding` flag, to build programs without linking to libc.
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- Prebuilt V packages for Linux, macOS, and Windows.
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- `string.index()` now returns `?int` instead of `int/-1`.
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- Lots of fixes in Generics.
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- vweb framework for developing web applications is back.
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- Vorum, the forum/blogging software written in vweb, can now be compiled and has been added to CI.
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- REPL, `v up` have been split up into separate applications to keep the core V compiler small.
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- V now enforces short enum syntax (`.green` instead of `Color.green`) when it's enough.
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- V UI for macOS.
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- Interfaces have been rewritten. `[]interface` support.
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- `os.cp()` for copying files and directores.
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- Additional compile-time flags: `$if clang, msvc, mingw, x32, x64, big_endian, little_endian {`.
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- All C functions now have to be declared, all missing C functions have been defined.
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- Global variables (only with the `--enable-globals` flag)
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for low level applications like kernels and drivers.
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- Nothing can be cast to bool (previously code like `if bool(1) {` worked).
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- `<<` and `>>` now work with all integer types.
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- V detects Cygwin and shows an error (V supports Windows natively).
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- Improved type checking of some operators (`%, |, &` etc).
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- Windows 7 support.
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- `println(true)` now prints `true` instead of `1`.
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- `os.exec()` now uses `CreateProcess` on Windows.
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- fast.vlang.io website for monitoring the performance of V after every commit.
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- On Windows Visual Studio is now used automatically if GCC is not installed.
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- vfmt!
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- Lots of cleaning up in the compiler code.
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- Multi-level pointers in unsafe code (`****int`).
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- MSVC backtrace.
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- `$if os {` blocks are now skipped on a different OS.
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- C string literals (`c'hello'`).
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- AlpineLinux/musl fixes + added to CI.
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- Inline assembly.
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- Clipboard module (Windows, macOS, X).
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- `foo()?` syntax for error propagation.
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- Docs have been migrated from HTML to `doc/docs.md`.
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- `eventbus` module.
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- Haiku OS support.
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- `malloc/free` on bare metal.
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- `utf8` helper functions (`to_lower()`, `to_upper()`, etc).
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- Optimization of `for c in str {`.
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- `string/array.left/right/slice/substr` were removed (use `[a..b]` slicing syntax instead).
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## V 0.1.22
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*28 Oct 2019*
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- Generic functions (`fn foo<T>(bar T) T {`) with varargs support.
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- `array[start..end]` and `string[start..end]` slicing syntax.
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- Optimized `array.filter()` and `array.map()`.
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- `sqlite` module.
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- Cached modules for faster compilation.
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- Dramatic compilation optimizations: [V now compiles itself in 0.10 - 0.30 seconds](https://github.com/vlang/v/wiki/The-V-language-now-compiles-itself-in-0.09-seconds)
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- V scripts (simpler and cross-platform alternative to Bash).
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- Infinite multi-dimensional arrays (`[][][]int`).
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- `unsafe`.
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- `[deprecated]` attribute.
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- `[if]` function attributes for compile time function exclusion for performance.
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- `switch` has been completely removed from the language and replaced by
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`match` everywhere.
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- `pub struct` and `pub const`, previously all structs and consts were public
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by default.
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- `musl` support (V can now run on, for example, Alpine Linux).
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- Module header generation. V now supports closed source modules, which are still
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used in some industries.
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- Constants were added to typo suggestions.
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- `color in [.green, .red, .blue]` now works without specifying `Color.green`.
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- V compiler is now a module that can be used by other programs.
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- Backtraces now have source lines on Linux.
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- `runtime.nr_cpus()`.
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- `fn init()` for module initialization.
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- `a in [1, 2, 3]` optimization: no array gets allocated.
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- Raw strings: `s := r'hello\nworld'`.
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- `if a := func() { }` syntax for handling optionals.
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- f32/f64 comparison now uses machine epsilon by default.
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## V 0.1.21
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*30 Sep 2019*
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- `none` keyword for optionals.
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- Solaris support.
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- All table lookup functions now use `none`.
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- varargs: `fn foo(bar int, params ...string) {`.
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- Double quotes (`"`) can now also be used to denote strings.
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- GitHub Actions CI in addition to Travis.
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- `-compress` option. The V binary built with `-compress` is only ~90 KB!
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- More memory management.
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- Unused modules result in an error.
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- "Unused variable/module" errors are now warnings in non-production builds.
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- Duplicate methods with the same name can no longer be defined.
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- Struct names must be capitalized, variable/function names must use snake_case.
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- Error messages are now even nicer!
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- Lots of fixes in automatic `.str()` method generation for structs and arrays.
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- ~30% faster parser (files are no longer parsed separately for each pass).
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- `_` is no longer a variable, but an actual syntax construct to skip unused values, like in Go.
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- Multiple returns (`fn foo() (int, string) {`).
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- `!` can now only be used with booleans.
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## V 0.1.20
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*17 Sep 2019*
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- JavaScript backend!
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- Hundreds of C warnings were fixed. `gcc v.c` now builds without
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any warnings.
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- The mutability check now applies to function args (mutable
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receivers that are not modified result in a compilation error).
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- V tests now show how long each test took.
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- Official Android support (only console applications via Termux for now).
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- Typo check. If a variable/function/module etc is misspelled,
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V will suggest the correct name.
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- Lots of Microsoft C fixes, and a separate Travis instance for
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this backend.
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- Bitwise operators `|`, `^`, `&` no longer work with booleans.
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## V 0.1.19
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*12 Sep 2019*
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- Lots of refactoring, simplifications, and optimizations in the compiler.
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- Experimental memory management at compilation (only for the V compiler itself for now).
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- Lots of ORM fixes.
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- Functions can now be inlined via the `[inline]` attribute.
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- New `mysql` module.
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- Better error format that is supported by all major editors (go to error).
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- Error messages now point to the actual place where the error happened.
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- Custom json field names: `struct User { last_name string [json:lastName] }`.
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- Raw json fields via the `[raw]` attribute.
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- All C code was removed from the `freetype` module.
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- `gg` module can now render all Unicode characters.
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- `[typedef]` attribute for imported C struct typedefs.
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- Support of Objective C interfaces (primarily for using Cocoa).
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- REPL: clear command and custom functions.
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- REPL tests (which are also used for testing certain compiler errors).
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- Syntax bug fixed: `foo[0] += 10` is now possible.
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- http: support plain HTTP protocol and follow redirects.
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- http: header data is now processed correctly.
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- net: basic UDP support.
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- `import const` was removed from the language.
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- `array.contains()` was removed from the language (`in` should be used instead).
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- `[0; len]` syntax was removed (replaced with a simpler `[0].repeat(len)`)
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- Primitive aliases were removed to simplify the language.
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- GitHub supports V now!
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- Backtraces are now printed on panics.
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- A new awesome `readline` module.
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- V.c is now regenerated automatically after every commit.
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- A bug with struct ordering was fixed, now structs can be declared in any order.
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- V modules can now be built with `v build module`.
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- `@FILE, @LINE, @FN, @COLUMN` for debugging.
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## V 0.1.18
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*16 Aug 2019*
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- Built-in ORM (`uk_customers = db.select from Customer where country == 'uk' && nr_orders > 0`).
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- Map initialization syntax: `m := { ‘foo’: ‘bar’, ‘baz’: ‘foo’ }`.
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- `map.delete(key)`.
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- `libcurl` dependency was removed from the `http` module.
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- All function arguments are now immutable by default (previously they could be
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modifed inside the function).
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- `http` functions now return optionals.
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- `sync.WaitGroup`.
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- `vweb` static files serving.
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- `crypto.rand` module.
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- `v up` to update V.
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- SChannel support on Windows.
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- `net.urllib` module.
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- vpm package manager, `v install`.
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- `()` are now required in complex bool expressions: `(a && b) || c` instead of `a && b || c`.
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- All arrays now have a default `.str()` method.
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- Bootstrapping V with MSVC.
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- Experimental `≠` etc support.
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- `encoding.csv` module.
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- `$if debug {` for running code in debug mode only.
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- Map struct fields are now initialized automatically, just like arrays.
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- Maps now support array values.
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- `json` functions can no longer be used if the `json` module is not imported.
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## V 0.1.17
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*29 Jul 2019*
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- `vweb` module for developing web apps in V.
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- vtalk, open source V forum software.
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- Generics (very limited right now, but they will be gradually improved).
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- Comptime codegen (`foo.$method()` where `method` is a string).
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- @ for escaping keywords (e.g. `struct Foo { @type string }`).
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- Windows Unicode fixes (V can now work with non-ASCII paths etc on Windows).
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- Fix mutable args bugs + don't allow primitive arguments to be modified.
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- Declaring a mutable variable and never modifying it results in a compilation error.
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- Interactive debugging support.
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- `sync` module for Windows.
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- `#!` support on Unix systems (V scripts).
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- Lots of Visual Studio fixes.
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- `crypto.aes` and `crypto.rc4` modules.
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- Internal modules.
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## V 0.1.16
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*23 Jul 2019*
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- V can now be used with Visual Studio!
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- Hot code reloading now works with graphical applications (e.g. graph.v, bounce.v).
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- Compile time memory management for arrays.
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||
- High order functions.
|
||
- `match` expression (replacing `switch`).
|
||
- Import cycle detection.
|
||
- `crypto/md5`, `crypto/sha256`, and `crypro/sha512` modules.
|
||
- `os.executable()` - a cross platform function that returns full path to current executable.
|
||
- `~/.vlang` and `VROOT` were removed entirely. The installation is a lot cleaner now.
|
||
- V can now be packaged for all Linux distros.
|
||
- Arch Linux package.
|
||
- `string(bytes_buffer, len)`, `string(bytes_array)` casts.
|
||
- Multiple `defer`s.
|
||
- `key in map` syntax (replacing `map.exists(key)`).
|
||
|
||
|
||
## V 0.1.15
|
||
*15 Jul 2019*
|
||
- FreeBSD, OpenBSD, NetBSD, DragonFly support.
|
||
- Hot reloading now works with graphical applications: [bounce.v](examples/hot_reload/bounce.v)
|
||
- VROOT was removed, the installation process is now much simpler.
|
||
- `defer` statement.
|
||
- map.v was re-written. It's now much faster.
|
||
- `for key, val in map` syntax.
|
||
- `flag` module for parsing command line arguments.
|
||
- `zip` module.
|
||
- `crypto/sha1` module.
|
||
- Submodules and module aliases (`import encoding.base64 as b64`).
|
||
|
||
|
||
## V 0.1.14
|
||
*12 Jul 2019*
|
||
- `gg` module Windows support, V Tetris runs on Windows.
|
||
- Compile `glad` and `cJSON` only once. Programs using `gg` or `json` compile a bit faster.
|
||
- `v.c` has been cleaned up and minimized (~16k => ~10k lines of code).
|
||
- `type` aliases can now have methods.
|
||
- Const overflow check during compilation (`byte(1000)` will no longer compile).
|
||
|
||
|
||
## V 0.1.13
|
||
*10 Jul 2019*
|
||
- New enum syntax (`token == .name`), enum values are no longer global consts.
|
||
- Submodules (`import encoding.base64`).
|
||
- Hot code reloading.
|
||
- Special `err` variable for getting error values.
|
||
- Complex numbers.
|
||
- `<<` can now append arrays (`numbers << [1, 2, 3]`).
|
||
- Lots of Windows fixes (Windows still needs some work).
|
||
- Lots of REPL improvements (e.g. `>> 2 + 3` works now, no `println` required).
|
||
- The website was made easily translatable, it's now partially available in several languages.
|
||
|
||
|
||
## V 0.1.12
|
||
*4 Jul 2019*
|
||
- V can finally compile itself on Windows (https://github.com/vlang/v#mingw-w64).
|
||
- `os` module now uses optionals in all functions that return `File`.
|
||
- Lots of bugs with optionals were fixed.
|
||
- `println` was optimized. It no longer results in allocations.
|
||
Now it also works correctly with all integer types.
|
||
- Lots of `vfmt` fixes, it will be enabled tomorrow.
|
||
- New `strings` module.
|
||
- Lots of other fixes and improvements, thanks to all the contributors.
|
||
|
||
|
||
## V 0.1.11
|
||
*1 Jul 2019*
|
||
- Cross compilation for Windows!
|
||
- Lots of Windows fixes.
|
||
- socket.v.
|
||
- maps fixed.
|
||
|
||
|
||
## V 0.1.9 - 0.1.10
|
||
*29 Jun 2019*
|
||
- Windows support via MinGW-w64. Pre-built Windows binary.
|
||
- File structure has been simplified: all vlib modules were moved to the vlib/ directory,
|
||
makefile was moved to the root.
|
||
- One single archive with pre-built binaries for all operating systems.
|
||
- `mut var := val` was fixed (previously `mut var = val` was allowed as well).
|
||
|
||
|
||
## V 0.1.8
|
||
*28 Jun 2019*
|
||
- Single file programs without `fn main` now work as expected.
|
||
- REPL has been fixed: it now supports imports, consts, function definitions, etc.
|
||
|
||
|
||
## V 0.1.7
|
||
*27 Jun 2019*
|
||
- All C code in the compiler and vlib has been replaced with V.
|
||
- `#` syntax for embedding C code has been removed.
|
||
- Exported functions now need to be marked with `pub`, all public vlib functions have been updated.
|
||
- CI has been set up (Travis + Azure). On every commit and PR it is made sure that V
|
||
can compile itself, all tests pass, and all examples compile.
|
||
- More tests have been uploaded.
|
||
- Cleaner bytes to string conversion: `tos2(bytes)` => `string(bytes)`.
|
||
- The home page has 3 more examples next to 'hello world' that show the features of the language.
|
||
- Lots of bugs and issues fixed.
|