ub64 : urlsafe base64 encode / decode

→ tests/main.rs

```rust use ub64::{b64u64, b64d, b64e, u64b64};

[test]

fn main() { let bin = [1, 2, 3]; let b64 = b64e(bin); dbg!(&b64); dbg!(b64d(b64).unwrap()); let n = 9876543210; let u64b64 = u64b64(n); dbg!(&u64b64); dbg!(b64u64(u64_b64)); } ```

run

→ out.txt

txt + cargo test --all-features -- --nocapture Running tests/main.rs (target/debug/deps/main-8af48d1761c45bbe) [tests/main.rs:7] &b64 = "AQID" [tests/main.rs:8] b64d(b64).unwrap() = [ 1, 2, 3, ] [tests/main.rs:11] &u64_b64 = "6hawTAI" [tests/main.rs:12] b64_u64(u64_b64) = 9876543210