// Code generated by "go test -run=Generate -write=all"; DO NOT EDIT.

// 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 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 ( ...*Var) *Tuple {
	if len() > 0 {
		return &Tuple{vars: }
	}
	return nil
}

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

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

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