after constructor implementation semicolon?

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C++

Hello people!

When I need implement my class object initialization I can do it in several stages. I can initialize in constructors body:

...
anyClassConstructor::anyClassConstructor()
{
     anyMemberVariable = anyValue;
}
...

Either in initialization stage:

...
anyClassConstructor::anyClassConstructor():anyMemberVariable(anyValue)
{
}
...

But I have seen, that after implement constructor initialization in initialization stage, there was semicolon in the end.

...
anyClassConstructor::anyClassConstructor():anyMemberVariable(anyValue)
{
}; // why there is semicolon?
...

As I know, semicolon is need after class declaration, member method declaration (prototypes) or to end line. But there is semicolon like after class declaration, and there is after constructor implement. Why? Is it any specific thing? After my test it's work with semicolon and without it, no errors, no warnings, no bugs? Any effect?

Any ideas? Thanks...