Parametric polymorphism: Difference between revisions
J draft
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text valued table column
phrase (text, text) -> number</lang>
=={{header|J}}==
In J, all functions are generic over other types.
Alternatively, J is statically typed in the sense that it supports only one data type (the array), though of course inspecting a value can reveal additional details (such as: is it an array of numbers?)
=={{header|Java}}==
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