Trailing Closure

Trailing closure syntax should be used whenever possible

• Identifier: trailing_closure
• 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
  only_single_muted_parameter	false

Non Triggering Examples

foo.map { $0 + 1 }

foo.bar()

foo.reduce(0) { $0 + 1 }

if let foo = bar.map({ $0 + 1 }) { }

foo.something(param1: { $0 }, param2: { $0 + 1 })

offsets.sorted { $0.offset < $1.offset }

foo.something({ return 1 }())

foo.something({ return $0 }(1))

foo.something(0, { return 1 }())

Triggering Examples

↓foo.map({ $0 + 1 })

↓foo.reduce(0, combine: { $0 + 1 })

↓offsets.sorted(by: { $0.offset < $1.offset })

↓foo.something(0, { $0 + 1 })