Singleton: Difference between revisions
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Added Sidef
(→{{header|C++}}: thread-safe singleton without mutexes in C++11) |
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// any code here gets executed as if in a constructor
}</lang>
=={{header|Sidef}}==
<lang ruby>class Singleton(name) {
static instance;
method new(name) {
instance ||= Singleton.bless(Hash(name => name));
}
method new {
Singleton.new(nil);
}
}
var s1 = Singleton('foo');
say s1.name; #=> 'foo'
say s1.object_id; #=> '30424504'
var s2 = Singleton();
say s2.name; #=> 'foo'
say s2.object_id; #=> '30424504'
s2.name = 'bar'; # change name in s2
say s1.name; #=> 'bar'</lang>
=={{header|Slate}}==
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