Add note in Callable
documentation about methods of native types
- Adds a workaround/code example too. - Fixes #58912 (the issue itself is not a bug, but the solution was to add a documentation entry about the "issue")
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@ -46,6 +46,17 @@
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# Prints "Attack!", when the button_pressed signal is emitted.
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# Prints "Attack!", when the button_pressed signal is emitted.
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button_pressed.connect(func(): print("Attack!"))
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button_pressed.connect(func(): print("Attack!"))
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[/codeblock]
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[/codeblock]
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[b]Note:[/b] Methods of native types such as [Signal], [Array], or [Dictionary] are not of type [Callable] in order to avoid unnecessary overhead. If you need to pass those methods as [Callable], use a lambda function as a wrapper.
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[codeblock]
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func _init():
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var my_dictionary = { "hello": "world" }
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# This will not work, `clear` is not a callable.
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create_tween().tween_callback(my_dictionary.clear)
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# This will work, as lambdas are custom callables.
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create_tween().tween_callback(func(): my_dictionary.clear())
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[/codeblock]
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</description>
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</description>
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<tutorials>
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<tutorials>
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</tutorials>
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</tutorials>
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