Explicit Init

Explicitly calling .init() should be avoided

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

  Key	Value
  severity	warning
  include_bare_init	false

Non Triggering Examples

import Foundation
class C: NSObject {
    override init() {
        super.init()
    }
}

struct S {
    let n: Int
}
extension S {
    init() {
        self.init(n: 1)
    }
}

[1].flatMap(String.init)

[String.self].map { $0.init(1) }

[String.self].map { type in type.init(1) }

Observable.zip(obs1, obs2, resultSelector: MyType.init).asMaybe()

_ = GleanMetrics.Tabs.someType.init()

Observable.zip(
  obs1,
  obs2,
  resultSelector: MyType.init
).asMaybe()

Triggering Examples

[1].flatMap{String↓.init($0)}

[String.self].map { Type in Type↓.init(1) }

func foo() -> [String] {
    return [1].flatMap { String↓.init($0) }
}

_ = GleanMetrics.Tabs.GroupedTabExtra↓.init()

_ = Set<KsApi.Category>↓.init()

Observable.zip(
  obs1,
  obs2,
  resultSelector: { MyType↓.init($0, $1) }
).asMaybe()