| // Copyright 2011 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 types2 |
| |
| // A Map represents a map type. |
| type Map struct { |
| key, elem Type |
| } |
| |
| // NewMap returns a new map for the given key and element types. |
| func NewMap(key, elem Type) *Map { |
| return &Map{key: key, elem: elem} |
| } |
| |
| // Key returns the key type of map m. |
| func (m *Map) Key() Type { return m.key } |
| |
| // Elem returns the element type of map m. |
| func (m *Map) Elem() Type { return m.elem } |
| |
| func (t *Map) Underlying() Type { return t } |
| func (t *Map) String() string { return TypeString(t, nil) } |