What exactly is meant by “partial function” in functional programming?

Mobile Technologies Mobile Computing 2 years ago

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_x000D_ _x000D_ According to my understanding, partial functions are functions that we get by passing fewer parameters to a function than expected. For example, if this were directly valid in Python: >>> def add(x,y): ... return x+y ... >>> new_function = add(1) >>> new_function(2) 3 In the snippet above, new_function is a partial function. However, according to the Haskell Wiki, the definition of partial function is A partial function is a function that is not defined for all possible arguments of the specified type. so, my question is: what exactly is meant by "partial function"?

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manpreet Tuteehub forum best answer Best Answer 2 years ago
_x000D_ You are here confusing two concepts. A partially applied function [haskell-wiki] with a partial function [haskell-wiki]. A partially applied function is: Partial application in Haskell involves passing less than the full number of arguments to a function that takes multiple arguments. whereas a partial function indeed is a non-total function: A partial function is a function that is not defined for all possible arguments of the specified type.
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