add get method to CausalArray

micahscopes · micahscopes · commit b0b73fa5a5fb · 2022-11-29T16:42:12.000-06:00
diff --git a/src/data/collections/causal/CausalArray.ts b/src/data/collections/causal/CausalArray.ts
@@ -381,6 +381,14 @@ class CausalArray<T> extends BaseCausalCollection<T> implements CausalCollection
         return this._hashes[idx];
     }
 
+    get(hash: Hash): T|undefined {
+        if (this.hasByHash(hash)) {
+            return this._elements.get(hash);
+        } else {
+            return undefined;
+        }
+    }
+
     indexOf(element?: T) {
         return this.indexOfByHash(HashedObject.hashElement(element));
     }

Original file line number	Diff line number	Diff line change
`@@ -381,6 +381,14 @@ class CausalArray<T> extends BaseCausalCollection<T> implements CausalCollection`
`381`	`381`	`return this._hashes[idx];`
`382`	`382`	`}`
`383`	`383`
	`384`	`+ get(hash: Hash): T\|undefined {`
	`385`	`+ if (this.hasByHash(hash)) {`
	`386`	`+ return this._elements.get(hash);`
	`387`	`+ } else {`
	`388`	`+ return undefined;`
	`389`	`+ }`
	`390`	`+ }`
	`391`	`+`
`384`	`392`	`indexOf(element?: T) {`
`385`	`393`	`return this.indexOfByHash(HashedObject.hashElement(element));`
`386`	`394`	`}`