const go/ast.Fun

4 uses

	go/ast (current package)
		scope.go#L157: 	Fun                // function or method
		scope.go#L167: 	Fun: "func",

	go/parser
		resolver.go#L305: 		r.walkFieldList(n.Methods, ast.Fun)
		resolver.go#L505: 			r.declare(n, nil, r.pkgScope, ast.Fun, n.Name)

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