calculate the number of given collection's items that satisfy condition

---

Parameters

enumerate collection :integer :string :dictionary :object :inline :block :range
          params :null :literal :block
          condition :block :bytecode

Attributes

with

:literal

use given index

Returns

Examples

copy
enumerate 1..10000000 => odd? 
; => 5000000

copy
enumerate.with:'i ["one" "two" "three" "four"] 'x -> i < 3
; => 3

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