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add cons_when to CCListLabels

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Simon Cruanes 2024-04-19 09:51:42 -04:00
parent 4ff1853222
commit fcd4d3f6ec
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src/core/CCListLabels.mli
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@ -44,6 +44,11 @@ val cons_maybe : 'a option -> 'a t -> 'a t
[cons_maybe None l] is [l].
@since 0.13 *)
val cons_when : bool -> 'a -> 'a t -> 'a t
(** [cons_when true x l] is [x :: l].
[cons_when false x l] is [l].
@since NEXT_RELEASE *)
val filter : f:('a -> bool) -> 'a t -> 'a t
(** [filter ~f l] returns all the elements of the list [l]
that satisfy the predicate [f]. The order of the elements