Enable SwiftLint rule 'trailing_closure' and fix all violations

.swiftlint.yml

@@ -163,7 +163,7 @@ whitelist_rules:
   - syntactic_sugar
   - todo
   - toggle_bool
-#  - trailing_closure
+  - trailing_closure
 #  - trailing_comma
   - trailing_newline
   - trailing_semicolon

passExtension/Crypto/GopenPGPInterface.swift

@@ -63,11 +63,11 @@ struct GopenPGPInterface: PGPInterface {
     }
 
     func containsPublicKey(with keyID: String) -> Bool {
-        publicKeys.keys.contains(where: { key in key.hasSuffix(keyID.lowercased()) })
+        publicKeys.keys.contains { key in key.hasSuffix(keyID.lowercased()) }
     }
 
     func containsPrivateKey(with keyID: String) -> Bool {
-        privateKeys.keys.contains(where: { key in key.hasSuffix(keyID.lowercased()) })
+        privateKeys.keys.contains { key in key.hasSuffix(keyID.lowercased()) }
     }
 
     func decrypt(encryptedData: Data, keyID: String, passphrase: String) throws -> Data? {

passKit/Helpers/AppError.swift

@@ -30,7 +30,7 @@ public enum AppError: Error, Equatable {
 
 extension AppError: LocalizedError {
     public var errorDescription: String? {
-        let localizationKey = "\(String(describing: self).prefix(while: { $0 != "(" }))Error."
+        let localizationKey = "\(String(describing: self).prefix { $0 != "(" })Error."
         switch self {
         case let .RepositoryRemoteBranchNotFound(name), let .RepositoryBranchNotFound(name), let .ReadingFile(name):
             return localizationKey.localize(name)

passKit/Models/Password.swift

@@ -130,7 +130,7 @@ public class Password {
 
     private func getAdditionValue(withKey key: String, caseSensitive: Bool = false) -> String? {
         let toLowercase = { (string: String) -> String in caseSensitive ? string : string.lowercased() }
-        return additions.first(where: { toLowercase($0.title) == toLowercase(key) })?.content
+        return additions.first { toLowercase($0.title) == toLowercase(key) }?.content
     }
 
     /// Set the OTP token if we are able to construct a valid one.

passKitTests/Passwords/PasswordGeneratorTest.swift

@@ -70,7 +70,7 @@ class PasswordGeneratorTest: XCTestCase {
             PasswordGenerator(flavor: .xkcd, length: 8, useSpecialSymbols: false),
             PasswordGenerator(flavor: .xkcd, length: 1, useSpecialSymbols: false),
         ].forEach { generator in
-            XCTAssertEqual(generator.generate().split(whereSeparator: { "0123456789".contains($0) }).count, generator.limitedLength)
+            XCTAssertEqual(generator.generate().split { "0123456789".contains($0) }.count, generator.limitedLength)
         }
     }