return false
end
- return a.a is _a
+ return a.a.is_same_instance(_a)
end
init(b: Int)
'\n'.output
-(a1 is a1).output
-(a1 is a2).output
-(not a1 is a3).output
-(not a1 is b1).output
-(not b1 is b2).output
-(not b1 is b3).output
+(a1.is_same_instance(a1)).output
+(a1.is_same_instance(a2)).output
+(not a1.is_same_instance(a3)).output
+(not a1.is_same_instance(b1)).output
+(not b1.is_same_instance(b2)).output
+(not b1.is_same_instance(b3)).output
'\n'.output