rule

Exception handling:

bóbr kurwa {
    [...]
} ja piedole (e) {
    [...]
}

https://github.com/phaux/rdza

I had to double check the word for rust in Polish thinking surely that it must be a typo, but no. Rdza is indeed rust in Polish. Kurwa język.

Edit: apparently a lot of other Slavic languages are similar, e.g. the equivalent of rżawczyna in Russian (don't have a Russian keyboard). Kurwa języki.