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searchInfix

Subhajit Sahu edited this page Feb 3, 2021 · 14 revisions

Find first index of an infix.

Alternatives: searchInfix, searchInfixRight, searchInfixAll.
Similar: hasInfix, searchInfix.
Similar: search, [scan], find.


function searchInfix(x, y, fc, fm)
// x:  an iterable
// y:  search infix
// fc: compare function (a, b)
// fm: map function (v, i, x)
const xiterable = require('extra-iterable');

var x = [1, 2, 3, 4];
var y = [2, 3];
xiterable.searchInfix(x, y);
// → 1

var y = [-2, -3];
xiterable.searchInfix(x, y);
// → -1

xiterable.searchInfix(x, y, (a, b) => Math.abs(a) - Math.abs(b));
// → 1

xiterable.searchInfix(x, y, null, v => Math.abs(v));
// → 1


References

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