29 lines
826 B
Go
29 lines
826 B
Go
|
// Copyright 2024 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 aliases
|
||
|
|
|
||
|
|
import (
|
||
|
|
"go/token"
|
||
|
|
"go/types"
|
||
|
|
)
|
||
|
|
|
||
|
|
// Package aliases defines backward compatible shims
|
||
|
|
// for the types.Alias type representation added in 1.22.
|
||
|
|
// This defines placeholders for x/tools until 1.26.
|
||
|
|
|
||
|
|
// NewAlias creates a new TypeName in Package pkg that
|
||
|
|
// is an alias for the type rhs.
|
||
|
|
//
|
||
|
|
// When GoVersion>=1.22 and GODEBUG=gotypesalias=1,
|
||
|
|
// the Type() of the return value is a *types.Alias.
|
||
|
|
func NewAlias(pos token.Pos, pkg *types.Package, name string, rhs types.Type) *types.TypeName {
|
||
|
|
if enabled() {
|
||
|
|
tname := types.NewTypeName(pos, pkg, name, nil)
|
||
|
|
newAlias(tname, rhs)
|
||
|
|
return tname
|
||
|
|
}
|
||
|
|
return types.NewTypeName(pos, pkg, name, rhs)
|
||
|
|
}
|