You are describing panic() which may happen due to programmer error, but not from a+b or any arbitrary event. It follows a short spec and stdlib, and may even b

You are describing panic() which may happen due to programmer error, but not from a+b or any arbitrary event. It follows a short spec and stdlib, and may even be recoverable. Your if-example is old style and not allowed in golang. Your milestones escalates any small deviation into potential crash-handling territory (good example).