Article View: pl.comp.lang.c
Article #309754Re: Dwa wykrzykniki
From: Queequeg
Date: Tue, 23 Oct 2018 11:39
Date: Tue, 23 Oct 2018 11:39
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1397 bytes
Wojciech Muła <wojciech_mula@poczta.onet.pl> wrote: >> Poinformowanie programisty, że używana jest wartość boolean. > > Ciekawostka z C++: +!!"" == 1. W C też tak jest. `""` to wskaźnik na pusty string. Zawsze będzie niezerowy. `!!` robi z niego 1. `+` jest niepotrzebny -- w tej roli to znak liczby (jakby było `-!!""` to byłoby -1). -- https://www.youtube.com/watch?v=9lSzL1DqQn0
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From: queequeg@trust.no1 (Queequeg)
Newsgroups: pl.comp.lang.c
Subject: Re: Dwa wykrzykniki
Date: Tue, 23 Oct 2018 11:39:10 +0000 (UTC)
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