// Copyright 2014 The Go Authors. All rights reserved. | |
// Use of this source code is governed by a BSD-style | |
// license that can be found in the LICENSE file. | |
package structs | |
type S struct { | |
X, Y float64 | |
unexported bool | |
} | |
func (s *S) Sum() float64 { | |
return s.X + s.Y | |
} | |
func (s *S) Identity() (*S, error) { | |
return s, nil | |
} | |
func Identity(s *S) *S { | |
return s | |
} | |
func IdentityWithError(s *S) (*S, error) { | |
return s, nil | |
} |