remove old unused files for now

src/line.rs

@@ -1,43 +0,0 @@
-use std::num::NonZeroU64;
-
-#[allow(unused_imports)]
-use crate::prelude::*;
-
-
-#[derive(Debug, Copy, Clone, PartialEq, Eq, PartialOrd, Ord, Hash)]
-pub struct Line(pub u64);
-
-/// Constructors.
-impl Line {
-    pub const fn from_index(index: u64) -> Self {
-        Self(index)
-    }
-
-    pub const fn from_linenr(linenr: NonZeroU64) -> Self {
-        Self(linenr.get() - 1)
-    }
-
-    pub const fn next(self) -> Self {
-        Self::from_index(self.index() + 1)
-    }
-
-    /// Panics if self is line index 0.
-    pub const fn prev(self) -> Self {
-        Self::from_index(self.index() - 1)
-    }
-}
-
-/// Getters.
-impl Line {
-    /// 0-indexed
-    pub const fn index(self) -> u64 {
-        self.0
-    }
-
-    /// 1-indexed
-    pub const fn linenr(self) -> u64 {
-        self.0 + 1
-    }
-}
-
-pub struct Lines(Vec<Line>);