internal bool TryGetVariable(string name, [NotNullWhen(true)] out ParameterExpression?variable)
{
if (_Variables.TryGetValue(name, out variable))
{
return(true);
}
if (ParentScopeCompiled?.TryGetVariable(name, out variable) == true)
{
return(true);
}
return(false);
}
internal IEnumerable <ParameterExpression> VariableWalk()
{
return(Variables.Concat(ParentScopeCompiled?.VariableWalk() ?? Enumerable.Empty <ParameterExpression>()));
}