From 7de1fd757e164d5f291d2572778a2bfdda190195 Mon Sep 17 00:00:00 2001
From: Brendan Chen <me@bchen.dev>
Date: Wed, 29 Jan 2025 16:57:00 -0800
Subject: [PATCH] add TupleKey class

---
 src/types/TupleKey.ts | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)
 create mode 100644 src/types/TupleKey.ts

diff --git a/src/types/TupleKey.ts b/src/types/TupleKey.ts
new file mode 100644
index 0000000..08dcfb4
--- /dev/null
+++ b/src/types/TupleKey.ts
@@ -0,0 +1,19 @@
+const separator = "|";
+
+export class TupleKey<T extends any[]> {
+  public readonly tuple: T;
+  private readonly strKey: string;
+
+  constructor(...tuple: T) {
+    this.tuple = tuple;
+    this.strKey = tuple.join(separator);
+  }
+
+  toString(): string {
+    return this.strKey;
+  }
+
+  valueOf(): string {
+    return this.strKey;
+  }
+}