const go/types.IsConstType

5 uses

	go/types (current package)
		basic.go#L62: 	IsConstType = IsBoolean | IsNumeric | IsString
		check.go#L454: 		assert(typ == Typ[Invalid] || allBasic(typ, IsConstType))
		predicates.go#L23: func isConstType(t Type) bool      { return isBasic(t, IsConstType) }

	golang.org/x/tools/internal/gcimporter
		iexport.go#L916: 	switch b := typ.Underlying().(*types.Basic); b.Info() & types.IsConstType {
		iimport.go#L594: 	switch b := typ.Underlying().(*types.Basic); b.Info() & types.IsConstType {