Will C++ linker automatically inline functions (without “inline” keyword, without implementation in header)?

Question

Will the C++ linker automatically inline \"pass-through\" functions, which are NOT defined in the header, and NOT explicitly requested to be \"inlined\" through the

Answer 1

Yes, any decent compiler is fully capable of inlining that function if you have the proper optimisation flags set and the compiler deems it a performance bonus.

If you really want to know, add a breakpoint before your function is called, compile your program, and look at the assembly. It will be very clear if you do that.