arranged 0.1.2

Statically bounds-checked (machine-word-abstracting? TBD) ranged types as zero or low-runtime overhead abstractions providing safe (no unintentional overflow) arithmetic.
Documentation 
use super::*;
use assert2::assert;

type Range<const START: i128, const END: i128> = RiI128<START, END>;

#[test]
#[allow(clippy::assertions_on_constants)]
const fn returns_expected_value() {
    // Given
    const STARS_IN_VISIBLE_UNIVERSE_LOWER_BOUND: i128 = 100_000_000_000_000_000_000_000;
    const STARS_IN_VISIBLE_UNIVERSE_UPPER_BOUND: i128 = 1_000_000_000_000_000_000_000_000;

    type Sut = Range<STARS_IN_VISIBLE_UNIVERSE_LOWER_BOUND, STARS_IN_VISIBLE_UNIVERSE_UPPER_BOUND>;

    const EXPECTED: i128 = 1_000_000_000_000_000_000_000_000;

    // When
    const RESULT: i128 = Sut::end();

    // Then
    // Uncomment below and set `assert` to failing condition to observe compile-time impact
    // const _ASSERT: () = std::assert!(RESULT == EXPECTED);
    std::assert!(RESULT == EXPECTED);
}