hash-select-value

Type

meta-lisp

(all (K V) (-> (hash-t K V) (-> V bool-t) (hash-t K V)))

Description

Keep entries whose value satisfies the predicate.

Examples

meta-lisp

(hash-select-value
  (@hash 'a 1 'b 2 'x -1 'y -2)
  int-non-negative?)
;; => (@hash 'a 1 'b 2)