test that various interface callables behave well #58829
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I call callables that are meant to have methods added to by package authors "interface callables".
Test that various interface callables are well-behaved in case of the introduction of a new applicable type. Only interface callables taking a single type argument are tested.
The specific properties tested:
max_methods
is high enough for good inferencethe number of matching methods for a new type is not excessive
The primary motivation for this change is to make any future lowering of the
max_methods
setting of the interface callables safer.To make the tests pass, fix a recent regression in base/strings/search.jl.