go tuple 源码

  • 2022-07-15
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golang tuple 代码


// 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 Tuple represents an ordered list of variables; a nil *Tuple is a valid (empty) tuple.
// Tuples are used as components of signatures and to represent the type of multiple
// assignments; they are not first class types of Go.
type Tuple struct {
	vars []*Var

// NewTuple returns a new tuple for the given variables.
func NewTuple(x ...*Var) *Tuple {
	if len(x) > 0 {
		return &Tuple{vars: x}
	return nil

// Len returns the number variables of tuple t.
func (t *Tuple) Len() int {
	if t != nil {
		return len(t.vars)
	return 0

// At returns the i'th variable of tuple t.
func (t *Tuple) At(i int) *Var { return t.vars[i] }

func (t *Tuple) Underlying() Type { return t }
func (t *Tuple) String() string   { return TypeString(t, nil) }


go 源码目录


go api 源码

go api_test 源码

go array 源码

go assignments 源码

go basic 源码

go builtins 源码

go builtins_test 源码

go call 源码

go chan 源码

go check 源码