30 lines
795 B
YAML
30 lines
795 B
YAML
title: Functions
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summary: |
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Functions describe a process of turning *inputs* into *outputs*.
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content: |
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In a purely mathematical setting, functions typically have one input and one
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output, but in functional programming, we can usually get around this either
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by using [tuples][1] or by [currying][2].
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[1]: page://tuples
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[2]: page://currying
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exercises:
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- name: doubleIt
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description: |
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Write a function called `doubleIt` that takes an integer and doubles it.
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graders:
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ocaml:
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style: studentModule
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props:
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interface: |
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val doubleIt : int -> int
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driver: |
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open List
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let () = List.iter
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(fun x -> assert ((doubleIt x) = (x * 2)))
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(List.init 100 (fun x -> x + 1));
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