Associative containers place a strict weak ordering requirement on their key comparison predicates [ISO/IEC 14882-2014]. A strict weak ordering has the following properties:
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| SEI CERT Oracle Coding Standard for Java | MET10-J. Follow the general contract when implementing the compareTo() method |
Bibliography
| [ISO/IEC 14882-2014] | Subclause 23.2.4, "Associative Containers" |
| [Meyers 01] | Item 21, "Always Have Comparison Functions Return False for Equal Values" |
| [Sutter 05] | Item 83, "Use a Checked STL Implementation" |
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