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rangeEntries

Subhajit Sahu edited this page Dec 28, 2022 · 1 revision

Find smallest and largest entries.

Similar: min, max, range.


function rangeEntries(x, fc, fm)
// x:  lists
// fc: compare function (a, b)
// fm: map function (v, k, x)
const xlists = require('extra-lists');

var x = [['a', 'b', 'c', 'd'], [1, 2, -3, -4]];
xlists.rangeEntries(x);
// → [ [ 'd', -4 ], [ 'b', 2 ] ]

xlists.rangeEntries(x, (a, b) => Math.abs(a) - Math.abs(b));
// → [ [ 'a', 1 ], [ 'd', -4 ] ]

xlists.rangeEntries(x, null, v => Math.abs(v));
// → [ [ 'a', 1 ], [ 'd', -4 ] ]


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