Variable Declaration Whitespace

Variable declarations should be separated from other statements by a blank line

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

  Key	Value
  severity	warning

Non Triggering Examples

class C {
    let a = 0
    var x = 1

    var y = 2
}

class C {
    let a = 5

    var x = 1
}

class C {
    var a = 0
}

class C {
    let a = 1 +
        2
    let b = 5
}

class C {
    var x: Int {
        return 0
    }
}

class C {
    var x: Int {
        let a = 0

        return a
    }
}

class C {
    #if os(macOS)
    let a = 0

    func f() {}
    #endif
}

class C {
    #warning("TODO: remove it")
    let a = 0
    #warning("TODO: remove it")
    let b = 0
}

class C {
    #error("TODO: remove it")
    let a = 0
}

class C {
    @available(swift 4)
    let a = 0
}

class C {
    @objc
    var s: String = ""
}

class C {
    @objc
    func a() {}
}

class C {
    var x = 0
    lazy
    var y = 0
}

class C {
    @available(OSX, introduced: 10.6)
    @available(*, deprecated)
    var x = 0
}

class C {
    // swiftlint:disable superfluous_disable_command
    // swiftlint:disable force_cast

    let x = bar as! Bar
}

class C {
    @available(swift 4)
    @UserDefault("param", defaultValue: true)
    var isEnabled = true

    @Attribute
    func f() {}
}

class C {
    var x: Int {
        let a = 0
        return a
    }
}

    a = 2

    a = 2

    var b = 3

    #warning("message")
    let a = 2

    #if os(macOS)
    let a = 2
    #endif

    f {
        let a = 1
        return a
    }

    func f() {
        #if os(macOS)
        let a = 2
        return a
        #else
        return 1
        #endif
    }

Triggering Examples

class C {
    let a
    ↓func x() {}
}

class C {
    var x = 0
    ↓@objc func f() {}
}

class C {
    var x = 0
    ↓@objc
    func f() {}
}

class C {
    @objc func f() {
    }
    ↓var x = 0
}

class C {
    func f() {}
    ↓@Wapper
    let isNumber = false
    @Wapper
    var isEnabled = true
    ↓func g() {}
}

class C {
    #if os(macOS)
    let a = 0
    ↓func f() {}
    #endif
}

    let a = 2
    ↓b = 1