range
Subhajit Sahu edited this page Jun 18, 2020
·
15 revisions
Finds smallest and largest entries. 🏃 📼 📦 🌔 📒
lists.range(x, [fc], [fm]);
// x: lists
// fc: compare function (a, b)
// fm: map function (v, k, x)
// --> [smallest, largest]const lists = require('extra-lists');
var x = [['a', 1], ['b', 2], ['c', -3], ['d', -4]];
entries.range(x);
// [ [ 'd', -4 ], [ 'b', 2 ] ]
entries.range(x, (a, b) => Math.abs(a) - Math.abs(b));
// [ [ 'a', 1 ], [ 'd', -4 ] ]
entries.range(x, null, v => Math.abs(v));
// [ [ 'a', 1 ], [ 'd', -4 ] ]