Filters the given object with the given predicate.

(
  f: (value: any, key: string, context: object) => boolean
) => (xs: object) => object

filter((x) => x % 2 !== 0)({
  a: 1,
  b: 2,
  c: 3,
});
// ⇒ { a: 1, c: 3 }

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