Definitions for "Inline function"
(1) In C++, a member function defined in the class declaration. (2) A function call that the compiler replaces with the actual code for the function. The keyword inline can be used to hint to the compiler to perform inline expansion of the body of a member or nonmember function.
A function whose code is copied in place of each function call.
a function which gets textually inserted by the compiler, much like a macro