Module arith

Arithmetics helpers

Macros

checked

Convert arithmetic operators within the given expression to their checked variants and provide detailed error strings about which operator has failed for diagnostic.

Structs

Error

Checked arithmetics error.

Traits

CheckedAdd

Performs addition, returning None if overflow occurred.

CheckedDiv

Performs division, returning None on division by zero or if overflow occurred.

CheckedMul

Performs multiplication, returning None if overflow occurred.

CheckedNeg

Performs negation, returning None if the result can’t be represented.

CheckedRem

Performs integral remainder, returning None on division by zero or if overflow occurred.

CheckedSub

Performs subtraction, returning None if overflow occurred.

OverflowingAdd

Performs addition with a flag for overflow.

OverflowingSub

Performs substraction with a flag for overflow.