☰std/array/find

Finds an element by a predicate function within the given array, otherwise, it returns the given fallback value or undefined when fallback is not present.

Type signature

<T>(predicate: (value: T, index: number, context: T[]) => boolean, fallback?: T) => (xs: T[]) => T

Examples

find((x) => x > 2)([1, 2, 3, 5, 7]);
// ⇒ 3

Try in REPL

find((x) => x > 2)([
  1, 2, -3, -5, -7,
]);
// ⇒ undefined

Try in REPL

Questions

How to find an element of an array by a given predicate?

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