std::match_results<BidirIt,Alloc>::operator=
Defined in header <regex> | ||
|---|---|---|
match_results& operator=( const match_results& other ); | (1) | |
match_results& operator=( match_results&& other ) noexcept; | (2) |
Assigns the contents.
1) Copy assignment operator. Assigns the contents of
other.
2) Move assignment operator. Assigns the contents of
other using move semantics. other is in a valid, but unspecified state after the operation. Given the value of other before the assignment as m and any integer in [0, m.size()) as n, when the assignment finishes, the following member functions should return the specified values:
| Member function | Value |
|---|---|
ready() |
m.ready() |
size() |
m.size() |
str(n) |
m.str(n) |
prefix() |
m.prefix() |
suffix() |
m.suffix() |
operator[](n) |
m[n] |
length(n) |
m.length(n) |
position(n) | m.position(n) |
Parameters
| other | - | another match results object |
Return value
*this
Exceptions
1) May throw implementation-defined exceptions.
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 2191 | C++11 |
n could be negative in the postconditions | can only be non-negative |
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