From 288205e302d9f6afa06b8602184e983d2080a5b6 Mon Sep 17 00:00:00 2001
From: Owen Jacobson <owen@grimoire.ca>
Date: Tue, 17 Oct 2023 21:17:55 -0400
Subject: CLI tool for updating Route53 DNS for an ASG.

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

(limited to 'src/hashable.rs')

diff --git a/src/hashable.rs b/src/hashable.rs
new file mode 100644
index 0000000..22bcdd3
--- /dev/null
+++ b/src/hashable.rs
@@ -0,0 +1,37 @@
+use std::fmt::Debug;
+use std::hash::{Hash, Hasher};
+
+use aws_sdk_route53::types::ResourceRecordSet;
+
+pub trait SimpleHash {
+    fn hash<H: Hasher>(&self, state: &mut H);
+}
+
+#[derive(Debug, PartialEq, Clone)]
+pub struct Hashable<T>(T);
+
+impl<T> AsRef<T> for Hashable<T> {
+    fn as_ref(&self) -> &T {
+        &self.0
+    }
+}
+
+impl<T> Eq for Hashable<T> where Hashable<T>: PartialEq {}
+
+impl<T: SimpleHash> Hash for Hashable<T> {
+    fn hash<H: Hasher>(&self, state: &mut H) {
+        self.0.hash(state)
+    }
+}
+
+impl<T> From<T> for Hashable<T> {
+    fn from(value: T) -> Self {
+        Self(value)
+    }
+}
+
+impl SimpleHash for ResourceRecordSet {
+    fn hash<H: Hasher>(&self, state: &mut H) {
+        self.name().hash(state)
+    }
+}
-- 
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