Added core tests

src/core/Function.go

@@ -9,18 +9,20 @@ import (
 
 // Function is the smallest unit of code.
 type Function struct {
-	name   string
-	file   *fs.File
-	Input  []*Parameter
-	Output []*Parameter
-	Body   token.List
+	Name       string
+	UniqueName string
+	File       *fs.File
+	Input      []*Parameter
+	Output     []*Parameter
+	Body       token.List
 }
 
 // NewFunction creates a new function.
 func NewFunction(name string, file *fs.File) *Function {
 	return &Function{
-		name: name,
-		file: file,
+		Name:       name,
+		File:       file,
+		UniqueName: fmt.Sprintf("%s.%s", file.Package, name),
 	}
 }
 
@@ -29,16 +31,7 @@ func (f *Function) IsExtern() bool {
 	return f.Body == nil
 }
 
-// ResolveTypes parses the input and output types.
-func (f *Function) ResolveTypes() error {
-	for _, param := range f.Input {
-		param.name = param.tokens[0].String(f.file.Bytes)
-	}
-
-	return nil
-}
-
-// String returns the package and function name.
+// String returns the unique name.
 func (f *Function) String() string {
-	return fmt.Sprintf("%s.%s", f.file.Package, f.name)
+	return f.UniqueName
 }