go array 源码
golang array 代码
文件路径：/src/cmd/compile/internal/types2/array.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 types2
// An Array represents an array type.
type Array struct {
len int64
elem Type
}
// NewArray returns a new array type for the given element type and length.
// A negative length indicates an unknown length.
func NewArray(elem Type, len int64) *Array { return &Array{len: len, elem: elem} }
// Len returns the length of array a.
// A negative result indicates an unknown length.
func (a *Array) Len() int64 { return a.len }
// Elem returns element type of array a.
func (a *Array) Elem() Type { return a.elem }
func (a *Array) Underlying() Type { return a }
func (a *Array) String() string { return TypeString(a, nil) }
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