BindingDeclUse

enum BindingDeclUse : Hashable

How a binding declaration is being used.

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  • The declaration is used to introduce new bindings unconditionally.

    The pattern matches any possible value produced by the declaration’s initializer, if present.

    Declaration

    Swift

    case irrefutable
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  • The declaration is used as a condition.

    The pattern acts as a condition that is satisfied iff it matches the value of the declaration’s initializer, which must be present.

    Declaration

    Swift

    case condition
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  • The declaration is used as a filter.

    The pattern acts as a condition that is satisfied iff it matches an instance of the payload.

    Declaration

    Swift

    case filter(matching: AnyType)
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  • The type that is narrowed by the pattern of the declaration if it is used as a filter.

    Declaration

    Swift

    var filteredType: AnyType? { get }
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