Don't recompute total length

Brian Hulette · Brian Hulette · commit 0126dc4d948a · 2018-01-19T16:57:56.000-05:00
diff --git a/js/src/table.ts b/js/src/table.ts
@@ -115,7 +115,7 @@ export class Table implements DataFrame {
         }
     }
     count(): number {
-        return this.lengths.reduce((acc, val) => acc + val);
+        return this.length;
     }
     countBy(count_by: (Col|string)): CountByResult {
         if (!(count_by instanceof Col)) {

Original file line number	Diff line number	Diff line change
`@@ -115,7 +115,7 @@ export class Table implements DataFrame {`
`115`	`115`	`}`
`116`	`116`	`}`
`117`	`117`	`count(): number {`
`118`		`- return this.lengths.reduce((acc, val) => acc + val);`
	`118`	`+ return this.length;`
`119`	`119`	`}`
`120`	`120`	`countBy(count_by: (Col\|string)): CountByResult {`
`121`	`121`	`if (!(count_by instanceof Col)) {`