test: add more type test of 'tail'

marpple · Dec 3, 2021 · b240390 · b240390
1 parent c3ce08d
commit b240390
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Showing 2 changed files with 3 additions and 1 deletion.
diff --git a/src/types/Tail.ts b/src/types/Tail.ts
@@ -1,3 +1,3 @@
-type Tail<T extends unknown[]> = T extends [any, ...infer B] ? B : [];
+type Tail<T extends unknown[]> = T extends [any, ...infer U] ? U : [];
 
 export default Tail;
diff --git a/type-check/types/Tail.test.ts b/type-check/types/Tail.test.ts
@@ -8,4 +8,6 @@ checks([
   check<Tail<[1]>, [], Test.Pass>(),
   check<Tail<[1, 2]>, [2], Test.Pass>(),
   check<Tail<[1, 2, 3]>, [2, 3], Test.Pass>(),
+  check<Tail<[1, 2, "abc"]>, [2, "abc"], Test.Pass>(),
+  check<Tail<[string, number, boolean]>, [number, boolean], Test.Pass>(),
 ]);