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# PredicateExpressions.DictionaryKeyDefaultValueSubscript

```
struct DictionaryKeyDefaultValueSubscript<Wrapped, Key, Default> where Wrapped : PredicateExpression, Key : PredicateExpression, Default : PredicateExpression, Wrapped.Output == [Key.Output : Default.Output], Key.Output : Hashable
```

## Topics

### Initializers

[`init(wrapped: Wrapped, key: Key, default: Default)`](/documentation/Foundation/PredicateExpressions/DictionaryKeyDefaultValueSubscript/init(wrapped:key:default:))

### Instance Properties

[`let `default`: Default`](/documentation/Foundation/PredicateExpressions/DictionaryKeyDefaultValueSubscript/default)

[`let key: Key`](/documentation/Foundation/PredicateExpressions/DictionaryKeyDefaultValueSubscript/key)

[`let wrapped: Wrapped`](/documentation/Foundation/PredicateExpressions/DictionaryKeyDefaultValueSubscript/wrapped)

## Relationships

### Conforms To

[`PredicateExpression`](/documentation/Foundation/PredicateExpression)

[`CustomStringConvertible`](/documentation/Swift/CustomStringConvertible)

[`Copyable`](/documentation/Swift/Copyable)

[`Decodable`](/documentation/Swift/Decodable)

[`Escapable`](/documentation/Swift/Escapable)

[`SendableMetatype`](/documentation/Swift/SendableMetatype)

[`StandardPredicateExpression`](/documentation/Foundation/StandardPredicateExpression)

[`Encodable`](/documentation/Swift/Encodable)

[`Sendable`](/documentation/Swift/Sendable)

---

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