What the f**k ???
I never realized I was so stupid like this.

Actually, it's a kind of method name contains

Seems include some useless part.

Depends on the content, but if not marked as spoiler, they're visible in the homepage discourse for people that hasn't solved the kata yet.

I'm new here so maybe I'm getting it wrong, but isn't a comment of an answer usually a spoiler? I don't suppose the site intends for us to comment lame stuff like "nice answer!" since there's buttons for that.

I like this solution, it is much cleaner than my code with same logic

I haven't thought about this,

Strict integer remainder. Computes self % rhs, panicking if the division results in overflow.

Please use spoiler flag next time. Your post was visible in the homepage discourse.

I didn't even think of that. I used if

and also help to avoid the symbol inside 091~096

bros, is it really necessary to construct a struct to solve the probleam?