C++ named requirements: UniformRandomBitGenerator (since C++11)

A uniform random bit generator is a function object returning unsigned integer values such that each value in the range of possible results has (ideally) equal probability.

# Notes

All RandomNumberEngines satisfy this requirement.

# Defect reports

DRApplied toBehavior as publishedCorrect behavior
LWG 2154(P0898R3)C++11it was unclear whether G::min() and G::max()are required to be constant expressions[1]required

# See also