[Interest] qSort replacement

[Rainer Wiesenfarth]

On Wed, Jul 21, 2021 at 6:07 PM Joshua Grauman <jnfo-d at grauman.com> wrote:

> [...] I can't figure out how to
> use std::sort to sort a QList with a custom compare function. [...]
> bool variantLessThan(const QVariant &v1, const QVariant &v2)
> {
>     return v1.toString() < v2.toString();
> }
>
> qSort(fieldsList.begin(), fieldsList.end(), variantLessThan);

[...]
>

If you are using C++17 you may also use lambdas:

std::sort(fieldsList.begin(), fieldsList.end(), [](const QVariant &v1,
const QVariant &v2) {
    return v1.toString() < v2.toString();
});

(untested)

Cheers, Rainer

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