Boost
C++ Libraries
...one of the most highly
regarded and expertly designed C++ library projects in the
world.
— Herb Sutter and Andrei
Alexandrescu, C++
Coding Standards
This version of Boost is under active development. You are currently in the master branch. The current version is 1.90.0.
A strictly less predicate for comparing keys, using a case-insensitive comparison.
using key_compare = implementation-defined;
The case-comparison operation is defined only for low-ASCII characters.