Ruby: kind_of? vs. instance_of? vs. is_a? - Stack Overflow
Both methods invoke the same c function, rb_obj_is_kind_of.
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Ruby is_a? vs - Stack Overflow
What is the difference between is_a? and ===? Running this code: The output is: false #Why? Many style guides recommend not using === in your code, as it's slated for use in the built-in case construct.
Ruby is_a? Method - Scaler Topics
Jul 5, 2023 · The is_a? method in Ruby is a simple yet powerful tool for object type checking. It enables developers quickly determine if an object derives from or belongs to a certain class. Developers can verify inheritance, handle polymorphism, and validate object type in their programs by utilizing the is_a? function.
is_a? (Object) - APIdock
Returns true if class is the class of obj, or if class is one of the superclasses of obj or modules included in obj. module M; end class A include M end class B < A; end class C < B; end b = B. new b. is_a? A #=> true b. is_a? B #=> true b. is_a? C #=> false b. is_a? M #=> true b. kind_of? A #=> true b. kind_of? B #=> true b. kind_of?
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Prefer is_a? over kind_of? - docs.datadoghq.com
The rule “Prefer is_a? over kind_of?” suggests to use the method is_a? instead of kind_of? in your Ruby code. Both is_a? and kind_of? methods check if an object is an instance of a class or its subclasses.
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ruby - How can I check whether a parameter isa Symbol ... - Stack Overflow
Oct 6, 2009 · My parameter can be either a string or a symbol and depending upon which it is I want to perform different actions. Is there a way to check for this in Ruby? Needing to check the type of an object in Ruby is a code smell. It's a sign you …
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