day05 parsing

aoc_libs/src/lib.rs

@@ -1 +1,2 @@
 pub mod points;
+pub mod range;

aoc_libs/src/range.rs

@@ -0,0 +1,38 @@
+#[derive(Debug, PartialEq, Eq)]
+pub struct InclusiveRange<T>
+where
+    T: PartialOrd + Ord + PartialEq + Copy,
+{
+    start: T,
+    end: T,
+}
+
+impl<T> InclusiveRange<T>
+where
+    T: PartialOrd + Ord + PartialEq + Copy,
+{
+    pub fn new(start: T, end: T) -> Self {
+        Self {
+            start: start.min(end),
+            end: end.max(start),
+        }
+    }
+
+    pub fn any_overlap(&self, other: &Self) -> bool {
+        self.start <= other.end && self.end >= other.start
+    }
+
+    pub fn calc_overlap(&self, other: &Self) -> Self {
+        let overlap_start = self.start.min(other.start);
+        let overlap_end = self.end.max(other.end);
+        InclusiveRange::new(overlap_start, overlap_end)
+    }
+
+    pub fn complete_overlap(&self, other: &Self) -> bool {
+        self.calc_overlap(other) == *self || self.calc_overlap(other) == *other
+    }
+
+    pub fn in_range(&self, other: T) -> bool {
+        self.start <= other && other <= self.end
+    }
+}