public Call(
Expression0 left,
FunctionName function,
IEnumerable <Expression> parameters = null)
{
Left = left;
Function = function;
Parameters = parameters.EmptyIfNull();
}
public PropertyRef(Expression0 left, ObjectName right)
{
Left = left;
Right = right;
}
public Assign(Expression0 left, Expression right)
{
Left = left;
Right = right;
}