internal void _compose(SymbolList args, string name = null)
{
string[] keys = null;
var kwargs = new Dictionary <string, IntPtr>();
// Expr
name = name;
if (IsTrue(name))
{
name = CStr(name);
}
if (IsTrue((IsTrue((Len(args) != 0)) && IsTrue((Len(kwargs) != 0)))))
{
throw new TypeError("compose only accept input Symbols either as positional or keyword arguments, not both");
}
foreach (var arg in args)
{
if (IsTrue((!IsTrue(Isinstance(arg, typeof(SymbolBase))))))
{
throw new TypeError("Compose expect `Symbol` as arguments");
}
}
foreach (var val in kwargs.Values())
{
if (IsTrue((!IsTrue(Isinstance(val, typeof(SymbolBase))))))
{
throw new TypeError("Compose expect `Symbol` as arguments");
}
}
var numArgs = BinOp.Add(Len(args), Len(kwargs));
if (IsTrue((Len(kwargs) != 0)))
{
keys = CoerceIntoStringArray(CStrArray(kwargs.Keys()));
args = CHandleArray(kwargs.Values());
}
else
{
keys = CoerceIntoStringArray(null);
args = CHandleArray(kwargs.Values());
}
CheckCall(_LIB.NNSymbolCompose(this.Handle, name, numArgs, keys, args));
}
public static int Len(SymbolList list) => list.Count;
