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authorAndre Polykanine A.K.A. Menelion Elensúlë <andre@oire.org>2017-10-09 23:03:33 +0300
committerGitHub <noreply@github.com>2017-10-09 23:03:33 +0300
commit33acac42aeb1a5b4f5a00fc5e68b8305861a5ca9 (patch)
tree42a1aa7c873816b45d5676b8ac91c18d2c34e828 /swift.html.markdown
parent6d2bd246ba44807605716be7efa2710a6da6b50e (diff)
parente8ee66c854b8833fcb0fd76b5e9ace6ae8379397 (diff)
Merge pull request #2899 from damian-rzeszot/swift-style-guidelines
[swift/many] Style guidelines
Diffstat (limited to 'swift.html.markdown')
-rw-r--r--swift.html.markdown38
1 files changed, 19 insertions, 19 deletions
diff --git a/swift.html.markdown b/swift.html.markdown
index 60915d72..516debed 100644
--- a/swift.html.markdown
+++ b/swift.html.markdown
@@ -361,14 +361,14 @@ print("Name is \(name)") // Name is Them
// The `Error` protocol is used when throwing errors to catch
enum MyError: Error {
- case BadValue(msg: String)
- case ReallyBadValue(msg: String)
+ case badValue(msg: String)
+ case reallyBadValue(msg: String)
}
// functions marked with `throws` must be called using `try`
func fakeFetch(value: Int) throws -> String {
guard 7 == value else {
- throw MyError.ReallyBadValue(msg: "Some really bad value")
+ throw MyError.reallyBadValue(msg: "Some really bad value")
}
return "test"
@@ -385,7 +385,7 @@ func testTryStuff() {
do {
// normal try operation that provides error handling via `catch` block
try fakeFetch(value: 1)
- } catch MyError.BadValue(let msg) {
+ } catch MyError.badValue(let msg) {
print("Error message: \(msg)")
} catch {
// must be exhaustive
@@ -518,49 +518,49 @@ if let circle = myEmptyCircle {
// They can contain methods like classes.
enum Suit {
- case Spades, Hearts, Diamonds, Clubs
+ case spades, hearts, diamonds, clubs
func getIcon() -> String {
switch self {
- case .Spades: return "♤"
- case .Hearts: return "♡"
- case .Diamonds: return "♢"
- case .Clubs: return "♧"
+ case .spades: return "♤"
+ case .hearts: return "♡"
+ case .diamonds: return "♢"
+ case .clubs: return "♧"
}
}
}
// Enum values allow short hand syntax, no need to type the enum type
// when the variable is explicitly declared
-var suitValue: Suit = .Hearts
+var suitValue: Suit = .hearts
// String enums can have direct raw value assignments
// or their raw values will be derived from the Enum field
enum BookName: String {
- case John
- case Luke = "Luke"
+ case john
+ case luke = "Luke"
}
-print("Name: \(BookName.John.rawValue)")
+print("Name: \(BookName.john.rawValue)")
// Enum with associated Values
enum Furniture {
// Associate with Int
- case Desk(height: Int)
+ case desk(height: Int)
// Associate with String and Int
- case Chair(String, Int)
+ case chair(String, Int)
func description() -> String {
switch self {
- case .Desk(let height):
+ case .desk(let height):
return "Desk with \(height) cm"
- case .Chair(let brand, let height):
+ case .chair(let brand, let height):
return "Chair of \(brand) with \(height) cm"
}
}
}
-var desk: Furniture = .Desk(height: 80)
+var desk: Furniture = .desk(height: 80)
print(desk.description()) // "Desk with 80 cm"
-var chair = Furniture.Chair("Foo", 40)
+var chair = Furniture.chair("Foo", 40)
print(chair.description()) // "Chair of Foo with 40 cm"