#1033: no args checking for a sub without params
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Reporter: coke | Owner:
Type: RFC | Status: new
Priority: normal | Milestone:
Component: none | Version: trunk
Severity: medium | Keywords:
Lang: | Patch:
Platform: |
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Comment(by pmichaud):
> my getter is marked :multi(), yet accepts arity-2 calls. I can't see
how that's correct.
The :multi() pragma is used only to constrain the types and minimum number
of arguments, it does not provide an arity-based constraint. In
particular, :multi(['Foo']) simply says that the first argument must be
of type 'Foo', it doesn't limit the sub to calls with only one argument.
:multi(_) says that a sub requires at least one argument (but may have
more), and that argument may be of any type.
Thus ":multi()" simply says that a given sub is a MultiSub and has to have
at least zero arguments to be invoked (but is allowed to have more).
Pm
--
Ticket URL: <https://trac.parrot.org/parrot/ticket/1033#comment:6>
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