package async_extended
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Class type
type ('a, 'b) t = {
  1. name : string;
  2. select : 'a -> 'b option;
}
val create : string -> ('a -> 'b option) -> ('a, 'b) t
val arr : ('a -> 'b) -> ('a, 'b) t

an always matching filter from a function

val (&&&) : ('a, 'b) t -> ('a, 'c) t -> ('a, 'b * 'c) t

Compose two filters such that both are applied to the same value, and their corresponding results are paired in a tuple. This filter will fail if any of the two argument filters fails.

val (>>>) : ('a, 'b) t -> ('b, 'c) t -> ('a, 'c) t

Compose two filters *

val to_predicate : ('a, 'b) t -> 'a -> bool