Variable class

A variable is a named literal.

Inheritance
Implementers

Constructors

Variable(String name)
Creates a variable literal with given name.

Properties

hashCode → int
The hash code for this object.
no setterinherited
name ↔ String
The name of this variable.
getter/setter pair
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() → dynamic
Returns the constant value of this literal. Throws StateError if literal is not constant, check before usage with isConstant().
inherited
isConstant() → bool
Returns true, if this literal is a constant.
inherited
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.
override

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