If I have a function
void x(std::string const& s)
{
...
}
And I am calling it as x(“abc”), will string constructor allocate memory and copy data in it?
If I have a function void x(std::string const& s) { … } And I
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If I have a function
void x(std::string const& s)
{
...
}
And I am calling it as x(“abc”), will string constructor allocate memory and copy data in it?
The std::string constructor will be called with a
const char*argumentThere is no telling whether memory would be allocated (dynamically), but the chances are that your standard library implementation has the SSO in place, which means it can store small strings without dynamic allocations.
SSO: Meaning of acronym SSO in the context of std::string