Ikhwan Hayat
unread,Feb 23, 2009, 11:26:56 PM2/23/09Sign in to reply to author
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to ALTNETMY
Assalamu'alaikum,
Kalau kita buat satu method yg receive a type parameter (generic),
semasa nak return, kita boleh gunakan "default". E.g.
public T MakeItGoBoom<T>()
{
// Do something
if (sometingBadHappened)
return default(T);
}
Dalam kes ni, jika T ialah value type, dia akan return sama ada 0 utk
int, 0.0 utk float/decimal, '\0' utk char. Dan jika reference type,
dia akan return null.
Ada tak cara utk kita customize apa yg dianggap sebagai the type's
default. Contohnya, kalau aku ada type Money, aku tak nak default
(Money) itu null, tapi aku mahu Money dgn currency "MYR" dan nilai
duitnya 0.
Boleh ke?
p.s: Sometimes, sampai satu masa, kita mcm dah smpi pada satu limit
language tu sendiri. Kena cari language lain? :)