Type reflection Type reflection Crystal provides basic methods to do type reflection, casting and introspection.

Methods Arguments Default arguments Type Restrictions Overloading Returning a value Return type Methods To avoid duplication of the same message, instead of using a variab...

Everything is an object Everything is an object In Crystal everything is an object. The definition of an object boils down to these points: It has a type It can respond to som...

Everything is an object Everything is an object In Crystal everything is an object. The definition of an object boils down to these points: It has a type It can respond to som...

Everything is an object Everything is an object In Crystal everything is an object. The definition of an object boils down to these points: It has a type It can respond to som...

Uninitialized variable declaration Uninitialized variable declaration Crystal allows declaring uninitialized variables: x = uninitialized Int32 x # => some random value, ...

Everything is an object Everything is an object In Crystal everything is an object. The definition of an object boils down to these points: It has a type It can respond to som...

Uninitialized variable declaration Uninitialized variable declaration Crystal allows declaring uninitialized variables: x = uninitialized Int32 x # => some random value, ...

Everything is an object Everything is an object In Crystal everything is an object. The definition of an object boils down to these points: It has a type It can respond to som...

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