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quiz copy constructor
Anonymous
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#include
<iostream>
struct
A
{
A
() :
val
() {}
A
(
int
v
) :
val
(v) {}
A
(
A
a
) :
val
(
a
.
val
) {}
int
val;
};
int
main
(
int
argc
,
char**
argv
)
{
A
a1
(
5
);
A
a2
(a1);
std
::cout <<
a1
.
val
+
a2
.
val
<<
std
::endl;
return
0
;
}
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