num class
- Constructors
 - num
 - Properties
 - hashCode
 - isFinite
 - isInfinite
 - isNaN
 - isNegative
 - sign
 - runtimeType
 - Methods
 - abs
 - ceil
 - ceilToDouble
 - clamp
 - compareTo
 - floor
 - floorToDouble
 - remainder
 - round
 - roundToDouble
 - toDouble
 - toInt
 - toString
 - toStringAsExponential
 - toStringAsFixed
 - toStringAsPrecision
 - truncate
 - truncateToDouble
 - noSuchMethod
 - Operators
 - operator %
 - operator *
 - operator +
 - operator -
 - operator /
 - operator <
 - operator <=
 - operator ==
 - operator >
 - operator >=
 - operator unary-
 - operator ~/
 - Static methods
 - parse
 - tryParse