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core: introduce a few user-defined literals for unit types

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Thise makes initialization of unit types more palatable.

For example:

    surface.time = sample.time - duration_t { .seconds = 20 };
=>  surface.time = sample.time - 20_sec;

    delta_depth.mm = feet_to_mm(1.0); // 1ft
=>  delta_depth = 1_ft;

    get_cylinderid_at_time(..., { .seconds = 20 * 60 + 1 }));
=>  get_cylinderid_at_time(..., 20_min + 1_sec));

Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
This commit is contained in:
Berthold Stoeger 2024-09-03 17:04:48 +02:00 • committed by bstoeger
parent f09601bc93
commit ae81b42fe2
36 changed files with 320 additions and 264 deletions
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5
core/qthelper.cpp
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@ -1293,10 +1293,11 @@ fraction_t string_to_fraction(const char *str)
/*
* Don't permit values less than zero or greater than 100%
*/
// TODO: use std::clamp() once we have comparison on unit types
if (fraction.permille < 0)
fraction.permille = 0;
fraction = 0_percent;
else if (fraction.permille > 1000)
fraction.permille = 1000;
fraction = 100_percent;
return fraction;
}