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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 9b94ad4b4a4bff2bf2be7d77be2c6e1fd7683c4d)
last changed: 2026-09-23