hasEntry - nodef/extra-entries GitHub Wiki
Check if entries has an entry.
Alternatives: has, hasValue, hasEntry, hasSubset, hasPath. Similar: randomEntry, hasEntry.
function hasEntry(x, e, fc, fm)
// x: entries
// e: search entry ([k, v])
// fc: compare function (a, b)
// fm: map function (v, k, x)
const entries = require('extra-entries');
var x = ["a", 1], ["b", 2], ["c", -3](/nodef/extra-entries/wiki/"a",-1],-["b",-2],-["c",--3);
entries.hasEntry(x, ["c", 3]);
// → false
entries.hasEntry(x, ["c", 3], (a, b) => Math.abs(a) - Math.abs(b));
// → true
entries.hasEntry(x, ["c", 3], null, v => Math.abs(v));
// → true