Type restrictions Restrictions from instance variables self restriction Classes as restrictions Type restrictions in splats Free variables Type restrictions Type restrictio...
Inheritance super Covariance and Contravariance Inheritance Every class except Object , the hierarchy root, inherits from another class (its superclass). If you don’t specify ...
Inheritance super Covariance and Contravariance Inheritance Every class except Object , the hierarchy root, inherits from another class (its superclass). If you don’t specify ...
One of the advantages of views as objects is that we can unit test them. We can both understand if a specific presentational logic behaves correctly and/or assert the contents of...
Type restrictions Restrictions from instance variables self restriction Classes as restrictions Type restrictions in splats Free variables Splat type restrictions Type res...
Modules extend self Module Type Checking Modules Modules serve two purposes: as namespaces for defining other types, methods and constants as partial types that can be mixed...
Modules extend self Module Type Checking Modules Modules serve two purposes: as namespaces for defining other types, methods and constants as partial types that can be mixed...
Modules extend self Module Type Checking Modules Modules serve two purposes: as namespaces for defining other types, methods and constants as partial types that can be mixed...