golang slice 代码
文件路径：/src/go/types/slice.go
/ 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 types
/ A Slice represents a slice type.
type Slice struct {
elem Type
}
/ NewSlice returns a new slice type for the given element type.
func NewSlice(elem Type) *Slice { return &Slice{elem: elem} }
/ Elem returns the element type of slice s.
func (s *Slice) Elem() Type { return s.elem }
func (t *Slice) Underlying() Type { return t }
func (t *Slice) String() string { return TypeString(t, nil) }