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29 lines
826 B
Go
29 lines
826 B
Go
// Copyright 2024 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package aliases
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import (
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"go/token"
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"go/types"
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)
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// Package aliases defines backward compatible shims
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// for the types.Alias type representation added in 1.22.
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// This defines placeholders for x/tools until 1.26.
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// NewAlias creates a new TypeName in Package pkg that
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// is an alias for the type rhs.
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//
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// When GoVersion>=1.22 and GODEBUG=gotypesalias=1,
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// the Type() of the return value is a *types.Alias.
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func NewAlias(pos token.Pos, pkg *types.Package, name string, rhs types.Type) *types.TypeName {
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if enabled() {
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tname := types.NewTypeName(pos, pkg, name, nil)
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newAlias(tname, rhs)
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return tname
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}
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return types.NewTypeName(pos, pkg, name, rhs)
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}
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