Function count

Counts the number of items that satisfy a predicate in the given iterable or asynchronous iterable.

Example

const countOdds = count((number: number) => number % 2 !== 1);
countOdds([1, 2, 3, 4, 5]); // 3
countOdds([0, 2, 4, 6, 8]); // 0

Returns

Curried function with predicate in context.