package euler

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Module Unsafe gives access to the old operations for when we know what we are doing (i.e. we know that a given operation cannot overflow) and we absolutely don’t want to pay for the overhead of the safe functions. Operators in that module are suffixed with a ! so as to distinguish them clearly.

val (+!) : int -> int -> int
val (-!) : int -> int -> int
val (*!) : int -> int -> int
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