diff --git a/vlib/v/builder/builder.v b/vlib/v/builder/builder.v
index 859288bf20..c49caa4558 100644
--- a/vlib/v/builder/builder.v
+++ b/vlib/v/builder/builder.v
@@ -16,11 +16,11 @@ import (
 pub struct Builder {
 pub:
 	pref                &pref.Preferences
-	table   			&table.Table
-	checker 			checker.Checker
-	os				    pref.OS // the OS to build for
-	compiled_dir 		string  // contains os.realpath() of the dir of the final file beeing compiled, or the dir itself when doing `v .`
-	module_path 	    string
+	table               &table.Table
+	checker             checker.Checker
+	os                  pref.OS // the OS to build for
+	compiled_dir        string // contains os.realpath() of the dir of the final file beeing compiled, or the dir itself when doing `v .`
+	module_path         string
 	module_search_paths []string
 mut:
 	parsed_files        []ast.File
@@ -47,14 +47,20 @@ pub fn (b mut Builder) build_c(v_files []string, out_file string) {
 }
 
 pub fn (b mut Builder) build_x64(v_files []string, out_file string) {
-	ticks := time.ticks()
+	t0 := time.ticks()
 	b.parsed_files = parser.parse_files(v_files, b.table)
 	b.parse_imports()
-	println('PARSE: ${time.ticks() - ticks}ms')
+	t1 := time.ticks()
+	parse_time := t1 - t0
+	println('PARSE: ${parse_time}ms')
 	b.checker.check_files(b.parsed_files)
-	println('CHECK: ${time.ticks() - ticks}ms')
+	t2 := time.ticks()
+	check_time := t2 - t1
+	println('CHECK: ${check_time}ms')
 	x64.gen(b.parsed_files, out_file)
-	println('x64 GEN: ${time.ticks() - ticks}ms')
+	t3 := time.ticks()
+	gen_time := t3 - t2
+	println('x64 GEN: ${gen_time}ms')
 }
 
 // parse all deps from already parsed files
@@ -68,20 +74,20 @@ pub fn (b mut Builder) parse_imports() {
 				continue
 			}
 			import_path := b.find_module_path(mod) or {
-				//v.parsers[i].error_with_token_index('cannot import module "$mod" (not found)', v.parsers[i].import_table.get_import_tok_idx(mod))
-				//break
+				// v.parsers[i].error_with_token_index('cannot import module "$mod" (not found)', v.parsers[i].import_table.get_import_tok_idx(mod))
+				// break
 				panic('cannot import module "$mod" (not found)')
 			}
 			v_files := b.v_files_from_dir(import_path)
 			if v_files.len == 0 {
-				//v.parsers[i].error_with_token_index('cannot import module "$mod" (no .v files in "$import_path")', v.parsers[i].import_table.get_import_tok_idx(mod))
+				// v.parsers[i].error_with_token_index('cannot import module "$mod" (no .v files in "$import_path")', v.parsers[i].import_table.get_import_tok_idx(mod))
 				panic('cannot import module "$mod" (no .v files in "$import_path")')
 			}
 			// Add all imports referenced by these libs
 			parsed_files := parser.parse_files(v_files, b.table)
 			for file in parsed_files {
 				if file.mod.name != mod {
-					//v.parsers[pidx].error_with_token_index('bad module definition: ${v.parsers[pidx].file_path} imports module "$mod" but $file is defined as module `$p_mod`', 1
+					// v.parsers[pidx].error_with_token_index('bad module definition: ${v.parsers[pidx].file_path} imports module "$mod" but $file is defined as module `$p_mod`', 1
 					panic('bad module definition: ${ast_file.path} imports module "$mod" but $file.path is defined as module `$ast_file.mod.name`')
 				}
 			}
@@ -103,7 +109,7 @@ pub fn (b &Builder) v_files_from_dir(dir string) []string {
 	else if !os.is_dir(dir) {
 		verror("$dir isn't a directory")
 	}
-	mut files := os.ls(dir)or{
+	mut files := os.ls(dir) or {
 		panic(err)
 	}
 	if b.pref.is_verbose {
@@ -150,6 +156,7 @@ pub fn (b &Builder) v_files_from_dir(dir string) []string {
 			}
 		}
 		*/
+
 		res << filepath.join(dir,file)
 	}
 	return res
diff --git a/vlib/v/checker/checker.v b/vlib/v/checker/checker.v
index 4ea7642968..31338aae02 100644
--- a/vlib/v/checker/checker.v
+++ b/vlib/v/checker/checker.v
@@ -11,11 +11,10 @@ import (
 )
 
 pub struct Checker {
-	table      &table.Table
+	table     &table.Table
 mut:
-	file_name  string
-	unresolved []ast.Expr
-	resolved   []table.TypeRef
+	file_name string
+	resolved  []table.TypeRef
 }
 
 pub fn new_checker(table &table.Table) Checker {
@@ -26,27 +25,38 @@ pub fn new_checker(table &table.Table) Checker {
 
 pub fn (c mut Checker) check(ast_file ast.File) {
 	c.file_name = ast_file.path
-	c.unresolved = ast_file.unresolved
-	c.resolve_types()
+	// if ast_file.unresolved.len != c.resolved.len {
+	// c.resolve_exprs(file)
+	// }
+	c.complete_types(ast_file)
 	for stmt in ast_file.stmts {
 		c.stmt(stmt)
 	}
 }
 
 pub fn (c mut Checker) check_files(ast_files []ast.File) {
+	// this cant be moved to check() for multiple
+	// files this muse be done first. TODO: optimize
+	for file in ast_files {
+		c.file_name = file.path
+		c.resolve_expr_types(file)
+	}
 	for file in ast_files {
 		c.check(file)
 	}
 }
 
-fn (c mut Checker) resolve_types() {
-	// resolve type of unresolved expressions
-	for x in c.unresolved {
+// resolve type of unresolved expressions
+fn (c mut Checker) resolve_expr_types(f ast.File) {
+	for x in f.unresolved {
 		c.resolved << c.expr(x)
 	}
-	// update any types with unresolved sub types
+}
+
+// update any types chich contain unresolved sub types
+fn (c &Checker) complete_types(f ast.File) {
 	for idx, t in c.table.types {
-		println('Resolve type: $t.name')
+		// println('Resolve type: $t.name')
 		if t.kind == .array {
 			mut info := t.array_info()
 			if info.elem_type.typ.kind == .unresolved {
diff --git a/vlib/v/parser/parser.v b/vlib/v/parser/parser.v
index d25fff11a2..3d8fa0e54c 100644
--- a/vlib/v/parser/parser.v
+++ b/vlib/v/parser/parser.v
@@ -26,25 +26,25 @@ type PostfixParseFn fn()ast.Expr
 
 
 struct Parser {
-	scanner         &scanner.Scanner
-	file_name       string
+	scanner           &scanner.Scanner
+	file_name         string
 mut:
-	tok             token.Token
-	peek_tok        token.Token
+	tok               token.Token
+	peek_tok          token.Token
 	// vars []string
-	table           &table.Table
-	return_type     table.TypeRef // current function's return type
+	table             &table.Table
+	return_type       table.TypeRef // current function's return type
 	// scope_level int
 	// var_idx     int
-	is_c            bool
+	is_c              bool
 	//
 	// prefix_parse_fns []PrefixParseFn
-	inside_if       bool
-	pref            &pref.Preferences // Preferences shared from V struct
-	builtin_mod     bool
-	mod             string
-	unresolved      []ast.Expr
-	unresolved_idxs map[string]int
+	inside_if         bool
+	pref              &pref.Preferences // Preferences shared from V struct
+	builtin_mod       bool
+	mod               string
+	unresolved        []ast.Expr
+	unresolved_offset int
 }
 
 // for tests
@@ -1223,9 +1223,9 @@ fn (p mut Parser) match_expr() (ast.Expr,table.TypeRef) {
 }
 
 fn (p mut Parser) add_unresolved(key string, expr ast.Expr) table.TypeRef {
-	mut idx := p.unresolved.len
-	if key in p.unresolved_idxs {
-		idx = p.unresolved_idxs[key]
+	mut idx := p.unresolved_offset + p.unresolved.len
+	if key in p.table.unresolved_idxs {
+		idx = p.table.unresolved_idxs[key]
 	}
 	else {
 		p.unresolved << expr
@@ -1235,7 +1235,7 @@ fn (p mut Parser) add_unresolved(key string, expr ast.Expr) table.TypeRef {
 		typ: &table.Type{
 			parent: 0
 			kind: .unresolved
-			name: 'unresolved $idx'
+			name: 'unresolved-$idx'
 		}
 	}
 	return t
diff --git a/vlib/v/table/table.v b/vlib/v/table/table.v
index b3f6e570cc..398e24287b 100644
--- a/vlib/v/table/table.v
+++ b/vlib/v/table/table.v
@@ -8,17 +8,18 @@ module table
 pub struct Table {
 	// struct_fields map[string][]string
 pub mut:
-	types       []Type
+	types           []Type
 	// type_idxs Hashmap
-	type_idxs   map[string]int
-	local_vars  []Var
-	scope_level int
-	var_idx     int
+	type_idxs       map[string]int
+	unresolved_idxs map[string]int
+	local_vars      []Var
+	scope_level     int
+	var_idx         int
 	// fns Hashmap
-	fns         map[string]Fn
-	consts      map[string]Var
-	tmp_cnt     int
-	imports     []string
+	fns             map[string]Fn
+	consts          map[string]Var
+	tmp_cnt         int
+	imports         []string
 }
 
 pub struct Fn {