From a5e9bbc507160d1192d246e7ed44fc0870ea106b Mon Sep 17 00:00:00 2001
From: Marco Neumann <marco@crepererum.net>
Date: Fri, 6 Aug 2021 09:16:40 +0200
Subject: [PATCH] feat: impl `Display` for `OptionalMinMaxSequence`

---
 persistence_windows/src/min_max_sequence.rs | 26 +++++++++++++++++++++
 1 file changed, 26 insertions(+)

diff --git a/persistence_windows/src/min_max_sequence.rs b/persistence_windows/src/min_max_sequence.rs
index da3d44fc73..72e2323b6d 100644
--- a/persistence_windows/src/min_max_sequence.rs
+++ b/persistence_windows/src/min_max_sequence.rs
@@ -67,6 +67,16 @@ impl OptionalMinMaxSequence {
     }
 }
 
+impl std::fmt::Display for OptionalMinMaxSequence {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        if let Some(min) = self.min {
+            write!(f, "[{}, {}]", min, self.max)
+        } else {
+            write!(f, "({}, {}]", self.max, self.max)
+        }
+    }
+}
+
 #[cfg(test)]
 mod tests {
     use super::*;
@@ -110,4 +120,20 @@ mod tests {
     fn test_opt_min_max_checks_values() {
         OptionalMinMaxSequence::new(Some(11), 10);
     }
+
+    #[test]
+    fn test_opt_min_max_display() {
+        assert_eq!(
+            OptionalMinMaxSequence::new(Some(10), 20).to_string(),
+            "[10, 20]".to_string()
+        );
+        assert_eq!(
+            OptionalMinMaxSequence::new(Some(20), 20).to_string(),
+            "[20, 20]".to_string()
+        );
+        assert_eq!(
+            OptionalMinMaxSequence::new(None, 20).to_string(),
+            "(20, 20]".to_string()
+        );
+    }
 }