Just take by const reference ALWAYS, because there isn't much overhead in passing primitive types as const references.
Armen Tsirunyan
2010-10-12 14:17:03
+6
A:
Manoj R
2010-10-12 14:28:01
@Manoj: Then a temporary `complex` object is created (initialised with `2`) and passed to the function. This temporary will live until the end of the expression containing the function-call.
Bart van Ingen Schenau
2010-10-12 14:31:49
@Manoj: const references, unlike non-const ones, can bind to rvalues, so don't worry about that
Armen Tsirunyan
2010-10-12 14:39:11
+5
A:
Write your template code for const references only and rely on the compiler to optimize the references away.
larsmans
2010-10-12 14:17:19