Today I Learned

Some of the things I've learned every day since Oct 10, 2016

94: The Liskov Substitution Principle

The Liskov Substitution Principle makes the intuitive generalization that if A, B are types and A <: B (A is a subtype of B), then in a program with this type system, objects from B can be substituted with objects from A without certain properties of the program being affected.

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