Use cases:
- -
```rust
use f64_fixed::{to_fixed_string, ToFixedString};
assert_eq!(12345.0_f64.to_fixed_string(6), "12345 ");
assert_eq!(to_fixed_string(12345., 6), "12345 ");
assert_eq!(to_fixed_string(123456., 6), "123456");
assert_eq!(to_fixed_string(1234567., 6), "1.23+6");
```