32 lines
1.3 KiB
Swift
32 lines
1.3 KiB
Swift
import Foundation
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public extension SQLiteBindable where Self: RawRepresentable, RawValue: SQLiteBindable {
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/// Converts a `RawRepresentable` value to its SQLite representation.
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///
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/// The `rawValue` of the conforming type must itself conform to ``SQLiteBindable``. This
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/// property delegates the conversion to the underlying ``rawValue``.
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///
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/// - Returns: The ``SQLiteValue`` representation of the underlying ``rawValue``.
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var sqliteValue: SQLiteValue {
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rawValue.sqliteValue
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}
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}
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public extension SQLiteRepresentable where Self: RawRepresentable, RawValue: SQLiteRepresentable {
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/// Creates a `RawRepresentable` value from an SQLite representation.
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///
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/// This initializer first attempts to create the underlying ``RawValue`` from the provided
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/// ``SQLiteValue``. If successful, it uses that raw value to initialize the `RawRepresentable`
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/// type. If the conversion fails, the initializer returns `nil`.
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///
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/// - Parameter value: The SQLite value to convert from.
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/// - Returns: A new instance if the conversion succeeds, or `nil` otherwise.
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init?(_ value: SQLiteValue) {
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if let value = RawValue(value) {
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self.init(rawValue: value)
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} else {
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return nil
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}
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}
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}
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