nat8

The CandidType object nat8 corresponds to the Candid type nat8, is inferred to be a TypeScript number, and will be decoded into a JavaScript Number at runtime.

TypeScript or JavaScript:

import { Canister, nat8, query } from 'azle';

export default Canister({
    getNat8: query([], nat8, () => {
        return 255;
    }),
    printNat8: query([nat8], nat8, (nat8) => {
        console.log(typeof nat8);
        return nat8;
    })
});

Candid:

service : () -> {
    getNat8 : () -> (nat8) query;
    printNat8 : (nat8) -> (nat8) query;
}

dfx:

dfx canister call candid_canister printNat8 '(255 : nat8)'
(255 : nat8)