operator_usage_whitespace

Operator Usage Whitespace

Operators should be surrounded by a single whitespace when they are being used.

• Identifier: operator_usage_whitespace
• Enabled by default: Disabled
• Supports autocorrection: Yes
• Kind: style
• Analyzer rule: No
• Minimum Swift compiler version: 3.0.0
• Default configuration: warning

Non Triggering Examples

let foo = 1 + 2

let foo = 1 > 2

let foo = !false

let foo: Int?

let foo: Array<String>

let model = CustomView<Container<Button>, NSAttributedString>()

let foo: [String]

let foo = 1 + 
  2

let range = 1...3

let range = 1 ... 3

let range = 1..<3

#if swift(>=3.0)
    foo()
#endif

array.removeAtIndex(-200)

let name = "image-1"

button.setImage(#imageLiteral(resourceName: "image-1"), for: .normal)

let doubleValue = -9e-11

let foo = GenericType<(UIViewController) -> Void>()

let foo = Foo<Bar<T>, Baz>()

let foo = SignalProducer<Signal<Value, Error>, Error>([ self.signal, next ]).flatten(.concat)

Triggering Examples

let foo = 1↓+2

let foo = 1↓   + 2

let foo = 1↓   +    2

let foo = 1↓ +    2

let foo↓=1↓+2

let foo↓=1 + 2

let foo↓=bar

let range = 1↓ ..<  3

let foo = bar↓   ?? 0

let foo = bar↓??0

let foo = bar↓ !=  0

let foo = bar↓ !==  bar2

let v8 = Int8(1)↓  << 6

let v8 = 1↓ <<  (6)

let v8 = 1↓ <<  (6)
 let foo = 1 > 2