public static IValueReader Read(this IValueReader reader, out TvrOp o)
{
o = new TvrOp();
char paren;
reader.Read(out paren)
.Read(out o.op)
.Read(out o.left)
.Read(out o.right)
.Read(out paren);
return(reader);
}
public static IValueReader Read(this IValueReader reader, out TvrOp o)
{
o = new TvrOp ();
char paren;
reader.Read (out paren)
.Read (out o.op)
.Read (out o.left)
.Read (out o.right)
.Read (out paren);
return reader;
}