On Sunday, 25 January 2015 at 13:03:16 UTC, bearophile wrote:
Dominikus Dittes Scherkl:
Because this is useful in more situations,
Right, but it's still a cast. And in D you want to minimize the
number of usages of casts. The proposed syntax iota!"[]" is
cast-safe.
I don't case too much, if I have ensured the cast is safe by
constraints beforehand.
I need to cast often anyway, because I work with small types and
most operators permanently change everything to "int", especially
the bit-operations for which a signed type makes no sense at all:
ubyte x = 50;
auto y = x & 0x11; // y is int! I hate that!
even if I use unsigned literals:
auto z = x & 0x12u; // z is uint - better but still bad. More so
as & should result in the smaller of the two types!!
But I need not even use literals (which unfortunately cannot be
makred as "ubyte" or "short"). Look at this:
auto x2 = (x>>4) | (x<<4); // swap nibbles - but result in an
int!!!!!
