svoid test_replaceDollarVars() { assertEqualsVerbose("Hello Chris Guy $what", replaceDollarVars("Hello $firstName $lastName $what", firstName := "Chris", $lastName := "Guy")); assertEqualsVerbose("Hello Stefan, what's up", replaceDollarVars_dyn("Hello $userName, what's up", var -> eq(var, "userName") ? "Stefan" : null)); }