### ouuan's blog

By ouuan, history, 2 years ago,

Today I was solving a problem with bitset which needs to find the first set bit (bit with value 1/true). I looked up in C++ Reference but was not able to find a proper function.

Some one else told me that ._Find_first() works (also mentioned in this blog), which is not documented.

I was curious about if there are more undocumented member functions, so I took a look at the source code and found this:

I think the last question is so funny lol

• +155

 » 2 years ago, # |   +51 It is reference to this
•  » » 2 years ago, # ^ |   +26 I'm a Chinese and I know the Chinese saying "One hand can't make a sound", however, I did't realize it when I was reading the English version of bitset..
•  » » » 2 years ago, # ^ |   +8 One hand can't make a soundHow about using one hand to snap fingers ? (just a harmless idea with no offense in it)
•  » » » » 2 years ago, # ^ |   +11 Sorry, the translation should be "A hand can't make sound by clapping" or "A slap won't clap"..
 » 2 years ago, # |   +28
•  » » 2 years ago, # ^ |   +6 I didn't hear anything :(