}

// EmbeddedTerm = [ "~" ] Type .
func (p *parser) embeddedTerm() Expr {
	if trace {
		defer p.trace("embeddedTerm")()
	}

	if p.tok == _Operator && p.op == Tilde {
		t := new(Operation)
		t.pos = p.pos()
		t.Op = Tilde
		p.next()
		t.X = p.type_()
		return t
	}

	t := p.typeOrNil()
	if t == nil {
		t = p.badExpr()
		p.syntaxError("expected ~ term or type")

			x.mode = invalid
			return
		}

		x.mode = commaok
		x.typ = ch.elem
		check.hasCallOrRecv = true
		return

	case token.TILDE:
		// Provide a better error position and message than what check.op below would do.
		if !allInteger(x.typ) {
			check.error(e, UndefinedOp, "cannot use ~ outside of interface or type constraint")
			x.mode = invalid

			x.mode = invalid
			return
		}
		x.mode = commaok
		x.typ = ch.elem
		check.hasCallOrRecv = true
		return

	case syntax.Tilde:
		// Provide a better error position and message than what check.op below would do.
		if !allInteger(x.typ) {
			check.error(e, UndefinedOp, "cannot use ~ outside of interface or type constraint")
			x.mode = invalid