ncw/README.md

## README.md

      
    Raw
  

              README.md
            
          
    Go compiler bug demo

Compiling this directory with go build you get
./e.go:4: TypeType.New undefined (type *Type has no field or method New)

Where if you look in t.go you can see that method is defined.
If you concatenate e.go and t.go and compile (remove duplicate package line) then it compiles fine.

  
## e.go
package foo

var (
	Base = TypeType.New()
	// To trigger the problem
	//  * Need Base as argument - it is fine if you substitute with nil
	//  * Need the x, _ = form of call
	Something, _ = NewSomething(Base)
)

func NewSomething(t *Type) (*Type, error) {
	return nil, nil
}

## t.go
package foo

type Type struct{}

var TypeType *Type = &Type{}

func (t *Type) New() *Type {
	return &Type{}
}
	package foo

	var (
	Base = TypeType.New()
	// To trigger the problem
	// * Need Base as argument - it is fine if you substitute with nil
	// * Need the x, _ = form of call
	Something, _ = NewSomething(Base)
	)

	func NewSomething(t Type) (Type, error) {
	return nil, nil
	}
	package foo

	type Type struct{}

	var TypeType *Type = &Type{}

	func (t Type) New() Type {
	return &Type{}
	}