node topological sorting

Change-Id: I6a6a6964255d818be1bf9a8f4ec9e317befa19c5

1 files changed, 0 insertions, 67 deletions

diff --git a/crates/core/src/hive/skipfield.rs b/crates/core/src/hive/skipfield.rs
deleted file mode 100644
index 16a3dcb..0000000
--- a/crates/core/src/hive/skipfield.rs
+++ /dev/null
@@ -1,67 +0,0 @@
-//! An implementation of a trait describing valid skipfield integer types.
-//!
-//! Only `u16`s and `u8`s are supported by default. However, other integral
-//! types may be used by implementing this trait on them; the trait is not
-//! sealed.
-
-use core::{
-    cmp,
-    ops::{Add, AddAssign, Sub, SubAssign},
-};
-
-/// Trait describing integral types in a generic way suitable for use as the
-/// element type of a skipfield.
-pub trait SkipfieldType:
-    Add + AddAssign + Sub + SubAssign + Ord + PartialOrd + Copy + Sized
-{
-    /// The maximum attainable value of this type.
-    const MAXIMUM: Self;
-
-    /// The zero element of this type.
-    const ZERO: Self;
-
-    /// The one element of this type.
-    const ONE: Self;
-
-    /// Conversion method from `usize` using `as` or an equivalent
-    ///
-    /// Caps the value of the input by the maximum of `Self`.
-    fn from_usize(u: usize) -> Self;
-
-    /// Conversion method from `isize` using `as` or an equivalent
-    ///
-    /// Caps the value of the input by the maximum of `Self`.
-    fn from_isize(i: isize) -> Self;
-}
-
-impl SkipfieldType for u16 {
-    const MAXIMUM: Self = u16::MAX;
-    const ZERO: Self = 0;
-    const ONE: Self = 1;
-
-    #[inline(always)]
-    fn from_usize(u: usize) -> Self {
-        cmp::min(u, Self::MAXIMUM as usize) as u16
-    }
-
-    #[inline(always)]
-    fn from_isize(i: isize) -> Self {
-        cmp::min(i, Self::MAXIMUM as isize) as u16
-    }
-}
-
-impl SkipfieldType for u8 {
-    const MAXIMUM: Self = u8::MAX;
-    const ZERO: Self = 0;
-    const ONE: Self = 1;
-
-    #[inline(always)]
-    fn from_usize(u: usize) -> Self {
-        cmp::min(u, Self::MAXIMUM as usize) as u8
-    }
-
-    #[inline(always)]
-    fn from_isize(i: isize) -> Self {
-        cmp::min(i, Self::MAXIMUM as isize) as u8
-    }
-}