`fmt`: MSRV-1.67): = `Self::MAX.ilog(Self::BASE)`

[github-actions]

On 2025-07-17 @prestwich wrote in 7bf292e “Merge pull request #488 from DaniPopes/no-alloc-fmt-2”:

MSRV-1.67): = Self::MAX.ilog(Self::BASE)

        /// Highest power of the base that fits in a `u64`.
        const MAX: u64 = crate::utils::max_pow_u64(Self::BASE);
        /// Number of characters written using `MAX` as the base in
        /// `to_base_be`.
        // TODO(MSRV-1.67): = `Self::MAX.ilog(Self::BASE)`
        const WIDTH: usize;
    }

    pub(super) struct Binary;
    impl Base for Binary {

From src/fmt.rs:20