redundant_optional_initialization - ApplebaumIan/BitbucketAPI GitHub Wiki

Redundant Optional Initialization

Initializing an optional variable with nil is redundant.

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

Non Triggering Examples

var myVar: Int?
let myVar: Int? = nil
var myVar: Int? = 0
func foo(bar: Int? = 0) { }
var myVar: Optional<Int>
let myVar: Optional<Int> = nil
var myVar: Optional<Int> = 0
var foo: Int? {
  if bar != nil { }
  return 0
}
var foo: Int? = {
  if bar != nil { }
  return 0
}()
lazy var test: Int? = nil
func funcName() {
  var myVar: String?
}
func funcName() {
  let myVar: String? = nil
}

Triggering Examples

var myVar: Int?↓ = nil
var myVar: Optional<Int>↓ = nil
var myVar: Int?↓=nil
var myVar: Optional<Int>↓=nil
)
func funcName() {
    var myVar: String?↓ = nil
}
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