allocator-suite 0.1.7

Allocator Suite for various allocation types
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use std::fmt::Debug;

/// Useful extensions.
pub(crate) trait U64Ext: Sized + Copy + Ord + Debug {
    /// Round down to power of two exponent (usize).
    #[inline(always)]
    fn round_down_to_power_of_two_exponent_usize(self, power_of_two_exponent: usize) -> u64 {
        self.round_down_to_power_of_two_exponent(power_of_two_exponent as u64)
    }

    /// Round down to power of two exponent (u64).
    #[inline(always)]
    fn round_down_to_power_of_two_exponent(self, power_of_two_exponent: u64) -> u64 {
        let value = self.to_u64();

        value & !((1 << power_of_two_exponent) - 1)
    }

    #[doc(hidden)]
    fn to_u64(self) -> u64;
}

impl U64Ext for u64 {
    #[inline(always)]
    fn to_u64(self) -> u64 {
        self
    }
}