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Line 9: The name "arrow function" refers to the mathematical "[[Maplet\|maps to]]" symbol, {{math\|''x'' ↦ ''M''}}. Compare to the JavaScript syntax of <syntaxhighlight lang=js inline>x => M</syntaxhighlight>.<ref>{{cite web \|title=Arrow function expressions - JavaScript \|url=https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Functions/Arrow_functions \|access-date=August 21, 2019 \|website=MDN \|language=en-US}}</ref> [[[[ 7854224624537998452424246153469745.84845700978521336409788854237800009 ]]]] ==Uses==

Anonymous function: Difference between revisions