strictNullChecks (#4666)

* wip * wip * wip * wip * wip * wip * wip * wip * wip * wip * wip
2019-04-13 01:43:22 +09:00
parent 4ee40c3345
commit 987168b863
214 changed files with 939 additions and 785 deletions
--- a/src/prelude/ensure.ts
+++ b/src/prelude/ensure.ts
@@ -0,0 +1,7 @@
+export function ensure<T>(x: T): NonNullable<T> {
+	if (x == null) {
+		throw 'ぬるぽ';
+	} else {
+		return x!;
+	}
+}