t

pureconfig

ReadsMissingKeys

trait ReadsMissingKeys extends AnyRef

A marker trait signaling that a ConfigReader accepts missing (undefined) values.

The standard behavior of ConfigReaders that expect required keys in config objects is to return a KeyNotFound failure when one or more of them are missing. Mixing in this trait into the key's ConfigReader signals that if a value is missing for the key, the ConfigReader can be called with a cursor in the "undefined" state.

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ReadsMissingKeys with ConfigReader[_]
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