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fold

container.abstract_array.fold

(i i64, s T, m Monoid T)
 => 
T
fold the elements of this array using the given monoid and initial value

Used to fold an array tail-recursively
Precondition
pre
  debug: 0 ≤ i.as_i64 ≤ length
0.099dev (GIT hash 02118e9cbed77f3897084a4a507da3f11ac8881e)
last changed: 2026-09-02