alt Hacker NewsYes, I constantly use this pattern in C++/JavaScript, although I haven't tested how performant it is in the former (what does the compiler even do with such an expression?)
Yes, I constantly use this pattern in C++/JavaScript, although I haven't tested how performant it is in the former (what does the compiler even do with such an expression?)
At least in simple cases the compiler will just inline the closure, as if it never existed. There shouldn't be any measurable overhead.