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calculon.common
Option.Infix
val (let+) : 'a option -> ('a -> 'b) -> 'b option
val (let*) : 'a option -> ('a -> 'b option) -> 'b option
val (>|=) : 'a option -> ('a -> 'b) -> 'b option
val (>>=) : 'a option -> ('a -> 'b option) -> 'b option
val (and+) : 'a t -> 'b t -> ('a * 'b) t