What Is Currying?
Currying rewrites a function that takes multiple arguments as a sequence of single-argument functions, where each one consumes an argument and returns a function expecting the rest. Supplying all arguments in turn produces the final result. It makes every multi-argument function reducible to nested one-argument functions.
Why it matters
Currying makes partial application natural, since you can supply some arguments now and the rest later. It is a common building block in functional libraries and composition pipelines.
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