until expressions now properly iterate until their condition is truthy.
As mentioned in #154, the specs for while and until weren't actually testing any of their behavior. The new specs should not be considered complete, but at least cover the basic use cases, including break from within a loop.
Loop expressions also now properly catch BreakExceptions to stop iteration and optionally return a value. Because BreakException pushes a value onto the stack, no additional work is needed to handle this case.
untilexpressions now properly iterate until their condition is truthy.As mentioned in #154, the specs for
whileanduntilweren't actually testing any of their behavior. The new specs should not be considered complete, but at least cover the basic use cases, includingbreakfrom within a loop.Loop expressions also now properly catch
BreakExceptions to stop iteration and optionally return a value. BecauseBreakExceptionpushes a value onto the stack, no additional work is needed to handle this case.