mp_units::utility::operator-¶
Subtraction operator
Synopsis¶
Declared in <mp-units/utility/safe_int.h>
[[nodiscard]] constexpr safe_int</* implementation-defined */, ErrorPolicy> operator-(safe_int lhs, safe_int rhs);Note
This function is a hidden friend of safe_int, declared only inside that class: it can be found only through argument-dependent lookup.
Return Value¶
Wraps an integral type with overflow detection.
Note
The return value should not be discarded.
Parameters¶
| Name | Description |
|---|---|
| lhs | The left operand |
| rhs | The right operand |