fix: protocol method calls arity-check (issue 0131)

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emitProtocolDispatch now requires the user-arg count to equal the
protocol method's parameter list — exact, since protocol signatures
have no defaults, packs, or variadics — and emits the same
"expects N arguments, but M were given" diagnostic plain calls get.
Previously extra args were silently dropped (and missing args left the
thunk reading garbage). The dispatch gains the call-site span for the
diagnostic. examples/1634 pins the rejection; full sweep confirms no
existing code relied on the leniency.

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agra

2026-06-12 21:51:56 +03:00

parent ff94b004c4

commit d7808f69a3

6 changed files with 34 additions and 3 deletions

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examples/expected/1634-protocol-call-arity.stdout Normal file