Remove unused functions in is

mjbvz · mjbvz · commit e592f7cc6d49 · 2016-12-07T17:06:27.000-08:00
diff --git a/extensions/typescript/src/utils/is.ts b/extensions/typescript/src/utils/is.ts
@@ -11,38 +11,10 @@ export function defined(value: any): boolean {
 	return typeof value !== 'undefined';
 }
 
-export function undefined(value: any): boolean {
-	return typeof value === 'undefined';
-}
-
-export function nil(value: any): boolean {
-	return value === null;
-}
-
 export function boolean(value: any): value is boolean {
 	return value === true || value === false;
 }
 
 export function string(value: any): value is string {
 	return toString.call(value) === '[object String]';
 }
-
-export function number(value: any): value is number {
-	return toString.call(value) === '[object Number]';
-}
-
-export function error(value: any): value is Error {
-	return toString.call(value) === '[object Error]';
-}
-
-export function func(value: any): value is Function {
-	return toString.call(value) === '[object Function]';
-}
-
-export function array<T>(value: any): value is T[] {
-	return Array.isArray(value);
-}
-
-export function stringArray(value: any): value is string[] {
-	return array(value) && (<any[]>value).every(elem => string(elem));
-}
