std::match_results<BidirIt,Alloc>::empty (3) - Linux Manuals
std::match_results<BidirIt,Alloc>::empty: std::match_results<BidirIt,Alloc>::empty
Command to display std::match_results<BidirIt,Alloc>::empty manual in Linux: $ man 3 std::match_results<BidirIt,Alloc>::empty
NAME
std::match_results<BidirIt,Alloc>::empty - std::match_results<BidirIt,Alloc>::empty
Synopsis
bool empty() const; (since C++11)
(until C++20)
[[nodiscard]] bool empty() const; (since C++20)
Checks whether the match was successful.
Parameters
(none)
Return value
size() == 0 (false if *this represents the result of a successful match, true otherwise)
Exceptions
(none)
Complexity
Constant.
See also
returns the number of matches in a fully-established result state
size (public member function)
Pages related to std::match_results<BidirIt,Alloc>::empty
- std::match_results<BidirIt,Alloc>::end,std::match_results<BidirIt,Alloc>::cend (3) - std::match_results<BidirIt,Alloc>::end,std::match_results<BidirIt,Alloc>::cend
- std::match_results<BidirIt,Alloc>::begin,std::match_results<BidirIt,Alloc>::cbegin (3) - std::match_results<BidirIt,Alloc>::begin,std::match_results<BidirIt,Alloc>::cbegin
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- std::match_results<BidirIt,Alloc>::operator= (3) - std::match_results<BidirIt,Alloc>::operator=
- std::match_results<BidirIt,Alloc>::operator[] (3) - std::match_results<BidirIt,Alloc>::operator[]
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- std::match_results<BidirIt,Alloc>::prefix (3) - std::match_results<BidirIt,Alloc>::prefix
- std::match_results<BidirIt,Alloc>::ready (3) - std::match_results<BidirIt,Alloc>::ready
- std::match_results<BidirIt,Alloc>::size (3) - std::match_results<BidirIt,Alloc>::size
- std::match_results<BidirIt,Alloc>::str (3) - std::match_results<BidirIt,Alloc>::str
- std::match_results<BidirIt,Alloc>::suffix (3) - std::match_results<BidirIt,Alloc>::suffix
- std::match_results<BidirIt,Alloc>::swap (3) - std::match_results<BidirIt,Alloc>::swap
- std::match_results<BidirIt,Alloc>::~match_results (3) - std::match_results<BidirIt,Alloc>::~match_results
- std::match_results (3) - std::match_results
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