From d29420c886d77095c99761f6deb71081f7bc8dcb Mon Sep 17 00:00:00 2001
From: Ben Bridle <ben@derelict.engineering>
Date: Mon, 3 Feb 2025 09:04:47 +1300
Subject: Initial commit

---
 src/log_level.rs | 37 +++++++++++++++++++++++++++++++++++++
 1 file changed, 37 insertions(+)
 create mode 100644 src/log_level.rs

(limited to 'src/log_level.rs')

diff --git a/src/log_level.rs b/src/log_level.rs
new file mode 100644
index 0000000..6c84cb0
--- /dev/null
+++ b/src/log_level.rs
@@ -0,0 +1,37 @@
+
+use std::cmp::Ordering;
+
+#[derive(Clone, Copy, Debug, PartialEq, Eq)]
+pub enum LogLevel {
+    /// Verbose record of decisions and operations.
+    Info,
+    /// Report recoverable issues.
+    Warn,
+    /// Report unrecoverable errors and quit.
+    Error,
+}
+
+impl PartialOrd for LogLevel {
+    fn partial_cmp(&self, other: &LogLevel) -> Option<Ordering> {
+        Some(self.cmp(other))
+    }
+}
+
+impl Ord for LogLevel {
+    fn cmp(&self, other: &LogLevel) -> Ordering {
+        use LogLevel::*;
+        match (self, other) {
+            (Info , Info ) => Ordering::Equal,
+            (Info , Warn ) => Ordering::Less,
+            (Info , Error) => Ordering::Less,
+
+            (Warn , Info ) => Ordering::Greater,
+            (Warn , Warn ) => Ordering::Equal,
+            (Warn , Error) => Ordering::Less,
+
+            (Error , Info ) => Ordering::Greater,
+            (Error , Warn ) => Ordering::Greater,
+            (Error , Error) => Ordering::Equal,
+        }
+    }
+}
-- 
cgit v1.2.3-70-g09d2