# ub64 : urlsafe base64 encode / decode
[→ tests/main.rs](tests/main.rs)
```rust
use ub64::{b64_u64, b64d, b64e, u64_b64};
#[test]
fn main() {
let bin = [1, 2, 3];
let b64 = b64e(bin);
dbg!(&b64);
dbg!(b64d(b64).unwrap());
let n = 9876543210;
let u64_b64 = u64_b64(n);
dbg!(&u64_b64);
dbg!(b64_u64(u64_b64));
}
```
run
[→ out.txt](out.txt)
```txt
+ cargo test -- --nocapture
[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
```