Remove type assertion in sum function (microsoft#22670)

AdityaDaflapurkar · Andy · commit 76fefddcaa88 · 2018-03-19T08:19:24.000-07:00
diff --git a/src/compiler/core.ts b/src/compiler/core.ts
@@ -920,8 +920,7 @@ namespace ts {
     export function sum<T extends Record<K, number>, K extends string>(array: ReadonlyArray<T>, prop: K): number {
         let result = 0;
         for (const v of array) {
-            // TODO: Remove the following type assertion once the fix for #17069 is merged
-            result += v[prop] as number;
+            result += v[prop];
         }
         return result;
     }

Original file line number	Diff line number	Diff line change
`@@ -920,8 +920,7 @@ namespace ts {`
`920`	`920`	`export function sum<T extends Record<K, number>, K extends string>(array: ReadonlyArray<T>, prop: K): number {`
`921`	`921`	`let result = 0;`
`922`	`922`	`for (const v of array) {`
`923`		`- // TODO: Remove the following type assertion once the fix for #17069 is merged`
`924`		`- result += v[prop] as number;`
	`923`	`+ result += v[prop];`
`925`	`924`	`}`
`926`	`925`	`return result;`
`927`	`926`	`}`