Apply a callback to an array: Difference between revisions
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{{FormulaeEntry|page=https://formulae.org/?script=examples/Apply_a_callback_to_an_array}} |
{{FormulaeEntry|page=https://formulae.org/?script=examples/Apply_a_callback_to_an_array}} |
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'''Solution''' |
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Most programming languages define a high-order map function. In Fōrmulæ, there is ''arraization'' (by analogy with ''summation''). In the following expression, the "big" curly braces resemble the "big" sigma of a summation: |
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[[File:Fōrmulæ - Apply a callback to an array 01.png]] |
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[[File:Fōrmulæ - Apply a callback to an array 02.png]] |
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The elements of the array are not required to be of the same type: |
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[[File:Fōrmulæ - Apply a callback to an array 03.png]] |
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[[File:Fōrmulæ - Apply a callback to an array 04.png]] |
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=={{header|GAP}}== |
=={{header|GAP}}== |
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