Function |checked_sub

std/ops/num::|checked_sub

Usage

|checked_sub<N>(a, b)

Generics

◻ N: CheckedSub

Parameters

↳ a: N
↳ b: N

Return

↴ Option<N>

Sustract b from a, checking if overflow occurs

This function returns an option containing a - b, or none if result cause overflow in data type.