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sonymegadrive , 5 months ago C++: Nuh, uh … <span style="font-weight:bold;color:#a71d5d;">template </span><span style="color:#323232;"><</span><span style="font-weight:bold;color:#a71d5d;">typename</span><span style="color:#323232;"> T> </span><span style="color:#323232;">concept Crackable </span><span style="font-weight:bold;color:#a71d5d;">= </span><span style="color:#323232;">requires(T obj) { </span><span style="color:#323232;"> { obj.crack() }; </span><span style="color:#323232;">}; </span><span style="color:#323232;"> </span><span style="font-weight:bold;color:#a71d5d;">auto </span><span style="font-weight:bold;color:#795da3;">crack</span><span style="color:#323232;">(Crackable </span><span style="font-weight:bold;color:#a71d5d;">auto& </span><span style="color:#323232;">nut) { </span><span style="color:#323232;"> nut.crack(); </span><span style="color:#323232;">} </span>
C++: Nuh, uh …
<span style="font-weight:bold;color:#a71d5d;">template </span><span style="color:#323232;"><</span><span style="font-weight:bold;color:#a71d5d;">typename</span><span style="color:#323232;"> T> </span><span style="color:#323232;">concept Crackable </span><span style="font-weight:bold;color:#a71d5d;">= </span><span style="color:#323232;">requires(T obj) { </span><span style="color:#323232;"> { obj.crack() }; </span><span style="color:#323232;">}; </span><span style="color:#323232;"> </span><span style="font-weight:bold;color:#a71d5d;">auto </span><span style="font-weight:bold;color:#795da3;">crack</span><span style="color:#323232;">(Crackable </span><span style="font-weight:bold;color:#a71d5d;">auto& </span><span style="color:#323232;">nut) { </span><span style="color:#323232;"> nut.crack(); </span><span style="color:#323232;">} </span>