Number class

A number is a constant number literal.

Inheritance

Constructors

Number(num value)
Creates a number literal with given value. Always holds a double internally.

Properties

hashCode int
The hash code for this object.
no setterinherited
runtimeType Type
A representation of the runtime type of the object.
no setterinherited
value ↔ dynamic
getter/setter pairinherited

Methods

derive(String toVar) Expression
Derives this expression with respect to the given variable.
override
evaluate(EvaluationType type, ContextModel context) → dynamic
Evaluates this expression according to given type and context.
override
getConstantValue() double
Returns the constant value of this literal. Throws StateError if literal is not constant, check before usage with isConstant().
override
isConstant() bool
Returns true, if this literal is a constant.
override
noSuchMethod(Invocation invocation) → dynamic
Invoked when a nonexistent method or property is accessed.
inherited
simplify() Expression
Returns a simplified version of this expression. Subclasses should overwrite this method, if applicable.
inherited
toString() String
Returns a string version of this expression. Subclasses should override this method. The output should be kept compatible with the Parser.
inherited

Operators

operator %(Expression exp) Expression
Modulo operator. Creates a Modulo expression.
inherited
operator *(Expression exp) Expression
Multiply operator. Creates a Times expression.
inherited
operator +(Expression exp) Expression
Add operator. Creates a Plus expression.
inherited
operator -(Expression exp) Expression
Subtract operator. Creates a Minus expression.
inherited
operator /(Expression exp) Expression
Divide operator. Creates a Divide expression.
inherited
operator ==(Object other) bool
The equality operator.
inherited
operator ^(Expression exp) Expression
Power operator. Creates a Power expression.
inherited
operator unary-() Expression
Unary minus operator. Creates a UnaryMinus expression.
inherited