Difference between revisions of "cpp/utility/functional/greater"
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Revision as of 01:24, 12 June 2012
Template:cpp/utility/functional/sidebar Template:ddcl list begin <tr class="t-dsc-header">
<td><functional>
<td></td> <td></td> </tr> <tr class="t-dcl ">
<td class="t-dcl-nopad">struct greater;
<td class="t-dcl-nopad"> </td> <td class="t-dcl-nopad"> </td> </tr> Template:ddcl list end
Function object for performing comparisons. Implements operator> on type T.
Contents |
Notes
Implementation-defined strict total order over pointers
A specialization of std::greater for any pointer type yields the implementation-defined strict total order, even if the built-in operator> operator does not.
The implementation-defined strict total order is consistent with the partial order imposed by built-in comparison operators (<=>,(since C++20)<, >, <=, and >=), and consistent among following standard function objects:
- std::less, std::greater, std::less_equal, and std::greater_equal, when the template argument is a pointer type or void(since C++14)
| (since C++20) |
Member types
| operator() |
checks if the first argument is greater than the second (public member function) |
std::greater::operator()
| bool operator()( const T& lhs, const T& rhs ) const; |
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Checks whether lhs is greater than rhs.
Parameters
| lhs, rhs | - | values to compare |
Return value
true if lhs > rhs, false otherwise.
Exceptions
(none)
