Allow explicit block-passing to on_entry/on_exit #4
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I managed to overlook this pull request, sorry for that! Very good idea, it's just missing a spec… |
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Due to Rubymotion adding support WeakRef, and weakly refed callables, not being able to mark
a callback as weak introduces subtle bugs and memory leaks if user references for example a delegate-object within a block.
This allows a block to be marked as weak! and then passed as an argument.