std::match_results<BidirIt,Alloc>::match_results
From cppreference.com
< cpp | regex | match results
| match_results() : match_results(Allocator()) {} |
(1) | (since C++11) |
| explicit match_results( const Allocator& a ); |
(2) | (since C++11) |
| match_results( const match_results& rhs ); |
(3) | (since C++11) |
| match_results( const match_results& rhs, const Allocator& a ); |
(4) | (since C++11) |
| match_results( match_results&& rhs ) noexcept; |
(5) | (since C++11) |
| match_results( match_results&& rhs, const Allocator& a ); |
(6) | (since C++11) |
1) Default constructor. Constructs a match result with no established result state (ready() != true).
2) Constructs a match result with no established result state (ready() != true) using a copy of a as the allocator.
3) Copy constructor. Constructs a match result with a copy of rhs.
4) Constructs a match result with a copy of rhs, and uses a copy of a as the allocator.
5) Move constructor. Constructs a match result with the contents of rhs using move semantics. rhs is in valid, but unspecified state after the call.
6) Constructs a match result with the contents of rhs using move semantics, and uses a copy of a as the allocator. rhs is in valid, but unspecified state after the call.
Parameters
| a | - | allocator to use for all memory allocations of this container |
| rhs | - | another match_results to use as source to initialize the match_results with
|
Exceptions
1-4) May throw implementation-defined exceptions.
6) Throws nothing if a == rhs.get_allocator() is true.
Example
| This section is incomplete Reason: no example |
Defect reports
The following behavior-changing defect reports were applied retroactively to previously published C++ standards.
| DR | Applied to | Behavior as published | Correct behavior |
|---|---|---|---|
| LWG 2195 | C++11 | the constructors required by AllocatorAwareContainer were missing | added |
| P0935R0 | C++11 | default constructor was explicit | made implicit |