C++ member functions vs C++ free-functions, which compiles faster???

[unlvsur unlvsur]

struct foo
{
void write()
{
            //dosomething
}
};

Vs

struct foo
{
};
Inline void write(foo&)
{
            //dosomething
}

Which one compiles faster?
My guess is that the first one compiles faster since it is more context free compared to 2nd one.

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