Vertical Whitespace Between Cases

Include a single empty line between switch cases

• Identifier: vertical_whitespace_between_cases
• Enabled by default: No
• Supports autocorrection: Yes
• Kind: style
• Analyzer rule: No
• Minimum Swift compiler version: 5.0.0
• Default configuration:

  Key	Value
  severity	warning

Non Triggering Examples

switch x {

case 0..<5:
    print("x is low")

case 5..<10:
    print("x is high")

default:
    print("x is invalid")

@unknown default:
    print("x is out of this world")
}

switch x {
case .valid:
    print("multiple ...")
    print("... lines")

case .invalid:
    print("multiple ...")
    print("... lines")
}

switch x {
case .valid:
    print("x is valid")

case .invalid:
    print("x is invalid")
}

switch x {
case 0..<5:
    print("x is low")

case 5..<10:
    print("x is high")

default:
    print("x is invalid")
}

switch x {
case 0..<5:
    print("x is valid")

default:
    print("x is invalid")
}

switch x {
case 0..<5:
    return "x is valid"

default:
    return "x is invalid"

@unknown default:
    print("x is out of this world")
}

switch x {
case 0..<5: print("x is low")
case 5..<10: print("x is high")
default: print("x is invalid")
@unknown default: print("x is out of this world")
}

switch x {    
case 1:    
    print("one")    

default:    
    print("not one")    
}    

Triggering Examples

switch x {
case .valid:
    print("multiple ...")
    print("... lines")
↓case .invalid:
    print("multiple ...")
    print("... lines")
}

switch x {
case .valid:
    print("x is valid")
↓case .invalid:
    print("x is invalid")
}

switch x {
case 0..<5:
    print("x is valid")
↓default:
    print("x is invalid")
}

switch x {
case 0..<5:
    return "x is valid"
↓default:
    return "x is invalid"
↓@unknown default:
    print("x is out of this world")
}