public static SteExpression ResetAsOperator(this SteExpression expr, SteOperatorSpecs opHeadSpecs, IEnumerable <SteExpression> args)
{
var headSpecs = opHeadSpecs;
expr.Reset(headSpecs, args);
return(expr);
}
public static SteExpression ResetAsOperator(this SteExpression expr, SteOperatorSpecs opHeadSpecs, params SteExpression[] args)
{
var headSpecs = opHeadSpecs;
expr.Reset(headSpecs, args);
return(expr);
}
/// <summary>
/// Create an operator expression without any arguments
/// </summary>
/// <param name="opHeadSpecs"></param>
/// <returns></returns>
public static SteExpression CreateOperator(SteOperatorSpecs opHeadSpecs)
{
if (ReferenceEquals(opHeadSpecs, null))
{
throw new ArgumentNullException(nameof(opHeadSpecs), @"Expression head not initialized");
}
return(new SteExpression(opHeadSpecs, Enumerable.Empty <SteExpression>()));
}
public static SteExpression ResetAsOperator(this SteExpression expr, SteOperatorSpecs opHeadSpecs, bool clearArgs = true)
{
var headSpecs = opHeadSpecs;
if (clearArgs)
{
expr.Reset(headSpecs);
}
else
{
expr.ResetHead(headSpecs);
}
return(expr);
}
public static SteExpression InsertOperator(this SteExpression expr, int index, SteOperatorSpecs head, IEnumerable <SteExpression> args)
{
return(expr.InsertArgument(index, CreateOperator(head, args)));
}
public static SteExpression AddOperator(this SteExpression expr, SteOperatorSpecs head, IEnumerable <SteExpression> args)
{
return(expr.AddArgument(CreateOperator(head, args)));
}
public static SteExpression AddOperator(this SteExpression expr, SteOperatorSpecs head, params SteExpression[] args)
{
return(expr.AddArgument(CreateOperator(head, args)));
}
