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Function std.experimental.checkedint.ProperCompare.hookOpCmp
Hook for <, <=, >, and >= that ensures comparison against integral
values has the behavior expected by the usual arithmetic rules. The built-in
semantics yield surprising behavior when comparing signed values against
unsigned values, for example 0u < -1. The call hookOpCmp(x, y)
returns -1 if and only if x is smaller than y in abstract arithmetic
sense.
auto auto hookOpCmp(L, R)
(
L lhs,
R rhs
);
If one of the numbers is an integral and the other is a floating-point
number, hookOpEquals(x, y) returns a floating-point number that is -1
if x < y, 0 if x == y, 1 if x > y, and NaN if the floating-point
number is NaN.
Parameters
| Name | Description |
|---|---|
| lhs | The left-hand side of the comparison for ordering |
| rhs | The right-hand side of the comparison for ordering |
Returns
The result of the comparison (negative if lhs < rhs, positive if lhs > rhs, 0 if the values are equal)
Authors
License
Copyright © 1999-2022 by the D Language Foundation | Page generated by ddox.