Expression class abstract

Represents an expression that is either static or evaluated for every individual dataset and evaluates into a value.

See: ValueExpression DataField

Implementers

• DataField
• OperationExpression
• ValueExpression

Available Extensions

• ExpressionExtension

Constructors

Expression()

const

Expression.dynamic(dynamic expression)

This factory constructor checks if the value is an expression itself or returns a ValueExpression that wraps the given value otherwise.

factory

Properties

hashCode → int

The hash code for this object.

no setter, inherited

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

Methods

noSuchMethod(Invocation invocation) → dynamic

Invoked when a nonexistent method or property is accessed.

inherited

toString() → String

A string representation of this object.

inherited

Operators

operator ==(Object other) → bool

The equality operator.

inherited