function_default_parameter_at_end

Function Default Parameter at End

Prefer to locate parameters with defaults toward the end of the parameter list.

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

Non Triggering Examples

func foo(baz: String, bar: Int = 0) {}

func foo(x: String, y: Int = 0, z: CGFloat = 0) {}

func foo(bar: String, baz: Int = 0, z: () -> Void) {}

func foo(bar: String, z: () -> Void, baz: Int = 0) {}

func foo(bar: Int = 0) {}

func foo() {}

class A: B {
  override func foo(bar: Int = 0, baz: String) {}

func foo(bar: Int = 0, completion: @escaping CompletionHandler) {}

func foo(a: Int, b: CGFloat = 0) {
  let block = { (error: Error?) in }
}

func foo(a: String, b: String? = nil,
         c: String? = nil, d: @escaping AlertActionHandler = { _ in }) {}

Triggering Examples

↓func foo(bar: Int = 0, baz: String) {}