Feature/apply use stringview #382
Merged
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This PR updates the std::string arguments in the (C++17) methods to std::string_view and if applicable also update the
std::string return types to std::string_view.
This make it possible to use std::string_view objects as input and as result use constructions like:
constexpr std::string_view MY_CONSTANT = "value";for constants.Currently string_view arguments are assumed to refer to null-terminated strings. This is essential the same as with handling
const char*arguments.Technically string_view objects can refer to not null-terminated strings and this is also detectable (using string_view::size() and looking for the '\0'), but expensive. IMO this is not really necessary. Mainly, because we also assume
const char*arguments are null-terminated.