Booleans may seem harmless, but using them can be fraught with peril. When you can’t avoid them, follow these five rules.

Booleans may seem harmless, but using them can be fraught with peril. When you can’t avoid them, follow these five rules.

A default value is not required for a key, but it’s useful in the event that a key hasn't been set via config file, environment variable, remote configuration or flag. Viper requires minimal ...