Unneeded Break in Switch

Avoid using unneeded break statements

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

  Key	Value
  severity	warning

Non Triggering Examples

switch foo {
case .bar:
    break
}

switch foo {
default:
    break
}

switch foo {
case .bar:
    for i in [0, 1, 2] { break }
}

switch foo {
case .bar:
    if true { break }
}

switch foo {
case .bar:
    something()
}

let items = [Int]()
for item in items {
    if bar() {
        do {
            try foo()
        } catch {
            bar()
            break
        }
    }
}

Triggering Examples

switch foo {
case .bar:
    something()
    ↓break
}

switch foo {
case .bar:
    something()
    ↓break // comment
}

switch foo {
default:
    something()
    ↓break
}

switch foo {
case .foo, .foo2 where condition:
    something()
    ↓break
}