float64

The CandidType object float64 corresponds to the Candid type float64, is inferred to be a TypeScript number, and will be decoded into a JavaScript Number at runtime.

TypeScript or JavaScript:

import { Canister, float64, query } from 'azle';

export default Canister({
    getFloat64: query([], float64, () => {
        return Math.E;
    }),
    printFloat64: query([float64], float64, (float64) => {
        console.log(typeof float64);
        return float64;
    })
});

Candid:

service : () -> {
    getFloat64 : () -> (float64) query;
    printFloat64 : (float64) -> (float64) query;
}

dfx:

dfx canister call candid_canister printFloat64 '(2.718281828459045 : float64)'
(2.718281828459045 : float64)