Shorthand Optional Binding

Use shorthand syntax for optional binding

• Identifier: shorthand_optional_binding
• Enabled by default: No
• Supports autocorrection: Yes
• Kind: idiomatic
• Analyzer rule: No
• Minimum Swift compiler version: 5.7.0
• Default configuration:

  Key	Value
  severity	warning

Non Triggering Examples

if let i {}
if let i = a {}
guard let i = f() else {}
if var i = i() {}
if let i = i as? Foo {}
guard let `self` = self else {}
while var i { i = nil }

Triggering Examples

if ↓let i = i {}
if ↓let self = self {}
if ↓var `self` = `self` {}
if i > 0, ↓let j = j {}
if ↓let i = i, ↓var j = j {}

guard ↓let i = i else {}
guard ↓let self = self else {}
guard ↓var `self` = `self` else {}
guard i > 0, ↓let j = j else {}
guard ↓let i = i, ↓var j = j else {}

while ↓var i = i { i = nil }