v/CHANGELOG.md

376 lines
16 KiB
Markdown
Raw Blame History

This file contains ambiguous Unicode characters!

This file contains ambiguous Unicode characters that may be confused with others in your current locale. If your use case is intentional and legitimate, you can safely ignore this warning. Use the Escape button to highlight these characters.

## V 0.1.27
*5 May 2020*
- vfmt has been re-written from scratch using the new AST parser. It's much faster, cleaner, and can format
files with compilation errors.
- `strconv`, `sprintf`, and `printf` in native V, without any libc calls.
- Interfaces are now a lot more stable and have all expected features.
- Lots of x64 backend improvements: function calls, if expressions, for loops, local variables.
- `map()` and `filter()` methods can now be chained.
- New `[]int{cap:cap, len:len}` syntax for initializing array length and capacity.
- New `is` keyword for checking the type of sum types and interfaces.
- `as` can now be used to cast interfaces and sum types.
- Profiling with `-profile`. Prints a nice table with detailed information about every single function call:
number of calls, average time per call, total time per function.
- `import(xxx)` syntax has been removed in favor of `import xxx` for simplicity and greppability.
- Lots of fixes and improvements in the type checker.
- `time.StopWatch`
- `dl` module for dynamic loading.
- Automatic `str()` method generation for every single type, including all arrays and fixed size arrays.
- Short struct initialization syntax for imitating named function args: `foo(bar:0, baz:1)`.
- New operator `!in`.
- Performance improvements in critical parts of the builtin data structures (array, map).
- High order functions improvements (functions can now be returned etc).
- Anonymous functions that can be defined inside other functions.
- Built-in JSON module is back.
- Closures.
- Lots and lots of new tests added, including output tests that test error messages.
- Multiple errors are now printed, the compiler no longer stops after the first error.
- Thew new JS backend using the AST parser (almost complete).
- Variadic functions.
- `net.websocket` module (early stage).
- `vlib` is now memory leak free, lots of `autofree` improvements.
- Simplified and cleaned up `cmd/v`, `v.builder`.
- V UI was updated to work with the new backend.
## V 0.1.25
*1 Apr 2020*
- The entire compiler has been re-written with an AST parser. The code is now a lot cleaner and more maintainable. ~15k lines of old compiler code were removed.
## V 0.1.24
*31 Dec 2019*
- A new parser/generator built on top of an AST that simplifies code greatly and allows to implement new
backends much faster.
- Sum types (`type Expr = IfExpr | MatchExpr | IntegerLiteral`).
- B-tree map (sped up the V compiler by ~10%).
- `v fmt -w`.
- The entire code base has been formatted with vfmt.
- Generic structs.
- SDL module.
- Arrays of pointers.
- os: `is_link()`, `is_dir()`, `exists()`.
- Ranging through fixed size arrays.
- Lots of fixes in ORM and vweb.
- 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.md).
- Match expressions now must be exhaustive.
- freestanding: `malloc()`/`free()`.
- `++` is now required instead of `+= 1` for consistency.
- Interpolated strings now allow function calls: `println('val = $get_val()')`.
- `string.replace_each([])` for an efficient replacement of multiple values.
- More utf8 helper functions.
- `-prealloc` option for block allocations.
- `type` aliases.
- Running `v` with an unknown command will result in an error.
- `atof` implementation in pure V.
- Enums can now have negative values.
- New `filepath` module.
- `math.factorial`.
- `ftp` module.
- New syntax for casting: `val as Type`.
- Fewer libc functions used (soon V will have no dependency on libc).
## V 0.1.23
*30 Nov 2019*
- [Direct x64 machine code generation](https://github.com/vlang/v/issues/2849). Hello world being built in 3 milliseconds.
- Bare metal support via the `-freestanding` flag, allowing to build programs without linking to libc.
- Prebuilt V packages for Linux, macOS, and Windows.
- `string.index()` now returns `?int` instead of `int/-1`.
- Lots of fixes in Generics.
- vweb framework for developing web applications is back.
- Vorum, the forum/blogging software written in V/vweb, can now be compiled and has been added to CI.
- REPL, `v up` have been split up into separate applications to keep the core V compiler small.
- V now enforces short enum syntax (`.green` instead of `Color.green`) when it's enough.
- V UI for macOS.
- Interfaces have been rewritten. `[]interface` support.
- `os.cp()` for copying files and directores.
- Additional compile-time flags: `$if clang, msvc, mingw, x32, x64, big_endian, little_endian {`.
- All C functions now have to be declared, all missing C functions have been defined.
- Global variables (only with the `--enable-globals` flag) for low level applications like kernels and drivers.
- Nothing can be cast to bool (previously code like `if bool(1) {` worked).
- `<<` and `>>` now work with all integer types.
- V detects Cygwin and shows an error (V supports Windows natively).
- Improved type checking of some operators (`%, |, &` etc).
- Windows 7 support.
- `println(true)` now prints `true` instead of `1`.
- `os.exec()` now uses `CreateProcess` on Windows.
- fast.vlang.io website for monitoring the performance of V after every commit.
- On Windows Visual Studio is now used automatically if GCC is not installed.
- vfmt!
- Lots of cleaning up in the compiler code.
- Multi-level pointers in unsafe code (`****int`).
- MSVC backtrace.
- `$if os {` blocks are now skipped on a different OS.
- C string literals (`c'hello'`).
- AlpineLinux/musl fixes + added to CI.
- Inline assembly.
- Clipboard module (Windows, macOS, X).
- `foo()?` syntax for error propagation.
- Docs have been migrated from HTML to `doc/docs.md`.
- `eventbus` module.
- Haiku OS support.
- `malloc/free` on bare metal.
- `utf8` helper functions (`to_lower()`, `to_upper()`, etc).
- Optimization of `for c in str {`.
- `string/array.left/right/slice/substr` were removed (`[a..b]` slicing syntax should be used instead).
## V 0.1.22
*28 Oct 2019*
- Generic functions (`fn foo<T>(bar T) T {`) with varargs support.
- `array[start..end]` and `string[start..end]` slicing syntax.
- Optimized `array.filter()` and `array.map()`.
- `sqlite` module.
- Cached modules for faster compilation.
- 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).
- V scripts (simpler and cross-platform alternative to Bash).
- Infinite multi-dimensional arrays (`[][][]int`).
- `unsafe`.
- `[deprecated]` attribute.
- `[if]` function attributes for compile time function exclusion for performance.
- `switch` has been completely removed from the language and replaced by
`match` everywhere.
- `pub struct` and `pub const`, previously all structs and consts were public
by default.
- `musl` support (V can now run on, for example, Alpine Linux).
- Module header generation. V now supports closed source modules, which are still
used in some industries.
- Constants were added to typo suggestions.
- `color in [.green, .red, .blue]` now works without specifying `Color.green`.
- V compiler is now a module that can be used by other programs.
- Backtraces now have source lines on Linux.
- `runtime.nr_cpus()`.
- `fn init()` for module initialization.
- `a in [1, 2, 3]` optimization: no array gets allocated.
- Raw strings: `s := r'hello\nworld'`.
- `if a := func() { }` syntax for handling optionals.
- f32/f64 comparison now uses machine epsilon by default.
## V 0.1.21
*30 Sep 2019*
- `none` keyword for optionals.
- Solaris support.
- All table lookup functions now use `none`.
- varargs: `fn foo(bar int, params ...string) {`.
- Double quotes (`"`) can now also be used to denote strings.
- GitHub Actions CI in addition to Travis.
- `-compress` option. The V binary built with `-compress` is only ~90 KB!
- More memory management.
- Unused modules result in an error.
- "Unused variable/module" errors are now warnings in non-production builds.
- Duplicate methods with the same name can no longer be defined.
- Struct names must be capitalized, variable/function names must use snake_case.
- Error messages are now even nicer!
- Lots of fixes in automatic `.str()` method generation for structs and arrays.
- ~30% faster parser (files are no longer parsed separately for each pass).
- `_` is no longer a variable, but an actual syntax construct to skip unused values, like in Go.
- Multiple returns (`fn foo() (int, string) {`).
- `!` can now only be used with booleans.
## V 0.1.20
*17 Sep 2019*
- JavaScript backend!
- Hundreds of C warnings were fixed. `gcc v.c` now builds without
any warnings.
- The mutability check now applies to function args (mutable
receivers that are not modified result in a compilation error).
- V tests now show how long each test took.
- Official Android support (only console applications via Termux for now).
- Typo check. If a variable/function/module etc is misspelled,
V will suggest the correct name.
- Lots of Microsoft C fixes, and a separate Travis instance for
this backend.
- Bitwise operators `|`, `^`, `&` no longer work with booleans.
## V 0.1.19
*12 Sep 2019*
- Lots of refactoring, simplifications, and optimizations in the compiler.
- Experimental memory management at compilation (only for the V compiler itself for now).
- Lots of ORM fixes.
- Functions can now be inlined via the `[inline]` attribute.
- New `mysql` module.
- Better error format that is supported by all major editors (go to error).
- Error messages now point to the actual place where the error happened.
- Custom json field names: `struct User { last_name string [json:lastName] }`.
- Raw json fields via the `[raw]` attribute.
- All C code was removed from the `freetype` module.
- `gg` module can now render all Unicode characters.
- `[typedef]` attribute for imported C struct typedefs.
- Support of Objective C interfaces (primarily for using Cocoa).
- REPL: clear command and custom functions.
- REPL tests (which are also used for testing certain compiler errors).
- Syntax bug fixed: `foo[0] += 10` is now possible.
- http: support plain HTTP protocol and follow redirects.
- http: header data is now processed correctly.
- net: basic UDP support.
- `import const` was removed from the language.
- `array.contains()` was removed from the language (`in` should be used instead).
- `[0; len]` syntax was removed (replaced with a simpler `[0].repeat(len)`)
- Primitive aliases were removed to simplify the language.
- GitHub supports V now!
- Backtraces are now printed on panics.
- A new awesome `readline` module.
- V.c is now regenerated automatically after every commit.
- A bug with struct ordering was fixed, now structs can be declared in any order.
- V modules can now be built with `v build module`.
- `@FILE, @LINE, @FN, @COLUMN` for debugging.
## V 0.1.18
*16 Aug 2019*
- Built-in ORM (`uk_customers = db.select from Customer where country == 'uk' && nr_orders > 0`).
- Map initialization syntax: `m := { foo: bar, baz: foo }`.
- `map.delete(key)`.
- `libcurl` dependency was removed from the `http` module.
- All function arguments are now immutable by default (previously they could be
modifed inside the function).
- `http` functions now return optionals.
- `sync.WaitGroup`.
- `vweb` static files serving.
- `crypto.rand` module.
- `v up` to update V.
- SChannel support on Windows.
- `net.urllib` module.
- vpm package manager, `v install`.
- `()` are now required in complex bool expressions: `(a && b) || c` instead of `a && b || c`.
- All arrays now have a default `.str()` method.
- Bootstrapping V with MSVC.
- Experimental `≠` etc support.
- `encoding.csv` module.
- `$if debug {` for running code in debug mode only.
- Map struct fields are now initialized automatically, just like arrays.
- Maps now support array values.
- `json` functions can no longer be used if the `json` module is not imported.
## V 0.1.17
*29 Jul 2019*
- `vweb` module for developing web apps in V.
- vtalk, open source V forum software.
- Generics (very limited right now, but they will be gradually improved).
- Comptime codegen (`foo.$method()` where `method` is a string).
- @ for escaping keywords (e.g. `struct Foo { @type string }`).
- Windows Unicode fixes (V can now work with non-ASCII paths etc on Windows).
- Fix mutable args bugs + don't allow primitive arguments to be modified.
- Declaring a mutable variable and never modifying it results in a compilation error.
- Interactive debugging support.
- `sync` module for Windows.
- `#!` support on Unix systems (V scripts).
- Lots of Visual Studio fixes.
- `crypto.aes` and `crypto.rc4` modules.
- Internal modules.
## V 0.1.16
*23 Jul 2019*
- V can now be used with Visual Studio!
- Hot code reloading now works with graphical applications (e.g. graph.v, bounce.v).
- Compile time memory management for arrays.
- 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 code reloading now works with graphical applications: [bounce.v](https://github.com/vlang/v/blob/master/examples/hot_code_reloading/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.
- `glad` and `cJSON` are now compiled only once, this makes compilation of programs using `gg` and `json` 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 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.