return &RequiresExpr{
		Params:       params,
		Requirements: requirements,
	}
}

// exprPrimary parses:
//
//	<expr-primary> ::= L <type> <(value) number> E
//	               ::= L <type> <(value) float> E
//	               ::= L <mangled-name> E
func (st *state) exprPrimary() AST {
	st.checkChar('L')
	if len(st.str) == 0 {
		st.fail("expected primary expression")

	}