Mid-Level
October 4, 2026

Spot the bug: React Native

One snippet. Find the bug, or prove there isn't one.

tsx
1import { Alert } from 'react-native'
2
3type Status = 'idle' | 'loading' | 'success' | 'error'
4
5export function notify(status: Status) {
6  switch (status) {
7    case 'loading':
8      Alert.alert('Loading...')
9    case 'success':
10      Alert.alert('Done!')
11      break
12    case 'error':
13      Alert.alert('Failed')
14      break
15    default:
16      break
17  }
18}

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