© { JSL }
87
·const
fields are implicitly static
wonly
simple types, enums, & string can be const
wconst
fields require a variable initialiser
wmust be
initialized to compile time constant value
struct Pair
{
private const int x = 0, y =
0;
}
struct BadFields
{
... BadFields(...)
{
question = 9 * 6;
}
... static const
int answer = 42;
... const int question;
... const Pair origin = new Pair();
}
OK
compile
time errors
this
declares Pair with no instance fields
...
implicitly
static
...
can't
initialize here
...
not
initialized
...
Pair
not simple type
