nerdcruft/libcruft-util
1
0
Fork 0
Code Issues Releases Activity

iterator/infix: avoid using references to temporaries in make_infix

Browse Source
This commit is contained in:
Danny Robson 2020-11-10 16:22:46 +10:00
parent 0fe14f038d
commit 17a85e8187
1 changed files with 13 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

15
iterator/infix.hpp
View File

@ -66,7 +66,7 @@ namespace cruft::iterator {
namespace detail {
template <typename ContainerT, typename CharT>
struct infix_t {
const ContainerT &_container;
ContainerT _container;
const CharT *_delimiter;
};
@ -101,7 +101,18 @@ namespace cruft::iterator {
auto
make_infix (ContainerT const &_container, const CharT *_delimiter = ", ")
{
return detail::infix_t<ContainerT,CharT> { _container, _delimiter };
return detail::infix_t<ContainerT const&,CharT> { _container, _delimiter };
}
template <typename ContainerT, typename CharT = char>
auto
make_infix (ContainerT &&_container, const CharT *_delimiter = ", ")
{
return detail::infix_t<std::remove_reference_t<ContainerT>,CharT> {
std::forward<ContainerT> (_container),
_delimiter
};
}