searchValueAll

Find keys with given value.

Alternatives: searchValue, searchValueAll.
Similar: search, searchValue.

function searchValueAll(x, v, fc, fm)
// x:  a map
// v:  search value
// fc: compare function (a, b)
// fm: map function (v, k, x)

const map = require('extra-map');

var x = new Map([['a', 1], ['b', -2], ['c', 3], ['d', 2], ['e', 5]]);
map.searchValueAll(x, 2);
// → [ 'd' ]                                      ^

map.searchValueAll(x, 2, (a, b) => Math.abs(a) - Math.abs(b));
// → [ 'b', 'd' ]             ^                   ^

map.searchValueAll(x, 2, null, v => Math.abs(v));
// → [ 'b', 'd' ]             ^                   ^

References

• List-Extra.elemIndices: elm
• iterable-binsearch: @krisselden
• binarysearch: @soldair