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go/ast: remove FuncDecl.IsMethod for Go 1.17
The IsMethod method was added to FuncDecl in the process of working on support for type parameters, but is now only used in one place. It also didn't go through the proposal process. Remove it for 1.17. Also clean up a doc comment that mentioned type parameters. Fixes #46297 Change-Id: I432bdd626324f613baf059540b7c5436985b2b16 Reviewed-on: https://go-review.googlesource.com/c/go/+/323369 Trust: Robert Findley <rfindley@google.com> Run-TryBot: Robert Findley <rfindley@google.com> TryBot-Result: Go Bot <gobot@golang.org> Reviewed-by: Robert Griesemer <gri@golang.org>
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@ -259,7 +259,7 @@ func (f *FieldList) End() token.Pos {
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return token.NoPos
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}
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// NumFields returns the number of (type) parameters or struct fields represented by a FieldList.
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// NumFields returns the number of parameters or struct fields represented by a FieldList.
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func (f *FieldList) NumFields() int {
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n := 0
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if f != nil {
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@ -973,10 +973,6 @@ type (
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}
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)
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func (f *FuncDecl) IsMethod() bool {
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return f.Recv.NumFields() != 0
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}
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// Pos and End implementations for declaration nodes.
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func (d *BadDecl) Pos() token.Pos { return d.From }
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@ -383,7 +383,7 @@ func (check *Checker) collectObjects() {
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info := &declInfo{file: fileScope, fdecl: d.decl}
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name := d.decl.Name.Name
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obj := NewFunc(d.decl.Name.Pos(), pkg, name, nil)
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if !d.decl.IsMethod() {
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if d.decl.Recv.NumFields() == 0 {
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// regular function
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if d.decl.Recv != nil {
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check.error(d.decl.Recv, _BadRecv, "method is missing receiver")
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