# Numbers and Basic Values Model data with numbers, Boolean values, and other fundamental types. ## Topics ### Logical Values - ``Swift/Bool`` ### Numeric Values - ``Swift/Int`` - ``Swift/Double`` - ``Swift/Float`` ### Ranges - ``Swift/Range`` - ``Swift/ClosedRange`` ### Errors - ``Swift/Error`` - ``Swift/Result`` ### Optionals - ``Swift/Optional`` ### Advanced Numerics - - - - ### Random Number Generators - ``Swift/SystemRandomNumberGenerator`` - ``Swift/RandomNumberGenerator``