Comma Spacing

There should be no space before and one after any comma.

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

Non Triggering Examples

func abc(a: String, b: String) { }

abc(a: "string", b: "string"

enum a { case a, b, c }

func abc(
  a: String,  // comment
  bcd: String // comment
) {
}

func abc(
  a: String,
  bcd: String
) {
}

#imageLiteral(resourceName: "foo,bar,baz")

Triggering Examples

func abc(a: String↓ ,b: String) { }

func abc(a: String↓ ,b: String↓ ,c: String↓ ,d: String) { }

abc(a: "string"↓,b: "string"

enum a { case a↓ ,b }

let result = plus(
    first: 3↓ , // #683
    second: 4
)