std::linear_congruential_engine<UIntType,a,c,m>:: max

From cppreference.com

static constexpr result_type max ( ) ;
(since C++11)

Returns the maximum value potentially generated by the random-number engine.

Return value

m - 1u

Complexity

Constant.

See also

[static]
gets the smallest possible value in the output range
(public static member function)