IfNull class
Represents the "if null" (??) operator.
IfNull(VariableRead('a'), VariableRead('b')) // a ?? b
Properties
Methods
- 
  noSuchMethod(
Invocation invocation) → dynamic  - 
  Invoked when a nonexistent method or property is accessed.
  inherited
 - 
  toString(
) → String  - 
  A string representation of this object.
  inherited
 - 
  visit<
R, C, CO extends C> (AstVisitor< R, C?> visitor, [CO? context]) → R - 
  Given a 
visitorand optionally acontext, produce a return valueR.override 
Operators
- 
  operator ==(
Object other) → bool  - 
  The equality operator.
  inherited