Unused Control Flow Label

Unused control flow label should be removed

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

  Key	Value
  severity	warning

Non Triggering Examples

loop: while true { break loop }

loop: while true { continue loop }

loop:
    while true { break loop }

while true { break }

loop: for x in array { break loop }

label: switch number {
case 1: print("1")
case 2: print("2")
default: break label
}

loop: repeat {
    if x == 10 {
        break loop
    }
} while true

Triggering Examples

↓loop: while true { break }

↓loop: while true { break loop1 }

↓loop: while true { break outerLoop }

↓loop: for x in array { break }

↓label: switch number {
case 1: print("1")
case 2: print("2")
default: break
}

↓loop: repeat {
    if x == 10 {
        break
    }
} while true