On Monday, 26 June 2017 at 21:00:24 UTC, Guillaume Boucher wrote:
I would say that the overload without exceptions is the
"standard" one.
The C++ assumption is that exceptions are slow. So what the text
you referenced says is that it provides an alternative mechanism
for situations where you are testing for failure, e.g. accessing
something that isn't present to see if it exists. It is a
performance/convenience alternative.
Although that "nothrow design" is rather clumsy and inconvenient
since you have to provide the error object yourself as a
parameter.
It is rather clear though that C++ std lib relies heavily on
exceptions.
[Citation needed]
No citation needed. RAII + exceptions has been extensively
described by Stroustrup as a main code structuring mechanism for
C++ since the 1980s. Basic data structures like std::vector is
designed with that in mind. C++ programmers that turn off
exceptions also have to be careful with many areas of C++
std::lib.
