Polymorphism

http://cdict.giga.net.tw/q/polymorphism

FOLDOC - Computing Dictionary

人物 Christopher Strachey (polymorphism, currying)

length :: [a] -> Int

overloading (operator overloadin)

The ability to use the same syntax for objects of different type

• 10+2
• 1.2+2.5
• "this" + " " + "is"