Redundant Discardable Let

Prefer _ = foo() over let _ = foo() when discarding a result from a function

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

  Key	Value
  severity	warning
  ignore_swiftui_view_bodies	false

Non Triggering Examples

_ = foo()

if let _ = foo() { }

guard let _ = foo() else { return }

let _: ExplicitType = foo()

while let _ = SplashStyle(rawValue: maxValue) { maxValue += 1 }

async let _ = await foo()

//
// ignore_swiftui_view_bodies: true
//

var body: some View {
    let _ = foo()
    return Text("Hello, World!")
}

Triggering Examples

↓let _ = foo()

if _ = foo() { ↓let _ = bar() }

var body: some View {
    ↓let _ = foo()
    Text("Hello, World!")
}