Standard and User-Defined Conversions

~ 3 minute read.

I just came across a sur­pris­ing bug in my code which I did not ex­pect to cause any prob­lem at all. The sim­pli­fied code goes like this:

void foo(const std::string& str) { printf("string!"); }

          void foo(const bool b) { printf("bool!"); }

          // ...

          foo("0 …
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