Fix comparison of Callables from callable_mp() of the same method
#1294
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Callables from callable_mp() of the same methodCallables from callable_mp() of the same method
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Per @maiself's note from the GDExtension meeting, I removed the comments about hashing that got copy-pasted from Godot. I think I'm going to go ahead and merge this one: It's a bug fix. There's tests that show the bug is fixed. And the code itself is primarily copy-pasted from Godot. |
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Fixes #1293
This duplicates a lot of code from
custom_method_pointer.h/cppin Godot. I finally understand why it does what it does in such a weird way. :-) The tl;dr version is that the size of C++ method pointers in undefined (as opposed to function pointers, which do have a defined size), so putting them in a struct and then looping over the data for comparison and hashes is the easiest, portable way to do that.Marking this as a draft for now, because it depends on PR #1280 which isn't merged yet