zntfdr

// How to:
//  1. Open the Firebase Analytics Dashboard
//  2. Scroll to bottom, where you see the "Users by Device model" widget
//  3. Click "View device models" in that widget (this opens the "Tech details" Firebase Analytics page)
//  4. Above the table shown in the new page, click on the “Device model” drop down menu and select “OS with Version”
//  5. Make sure to select “OS with version” and not “OS Version”
//  6. On the top right corner of the page, click on the “Share this report” icon (next to the date)
//  7. Click “Download file” on the new side bar, then “Download CSV"
//  8. Open the file and select the iOS/Android breakdown raw data
//  9. Replace the sample data in this script with your data

anandabits

/// - returns: `true` when dynamic type is `Equatable` and `==` returns `true`, otherwise `false`.
func areEquatablyEqual(_ lhs: Any, _ rhs: Any) -> Bool {
    func receiveLHS<LHS>(_ typedLHS: LHS) -> Bool {
        guard
            let rhsAsLHS = rhs as? LHS
            else { return false }
        return areEquatablyEqual(typedLHS, rhsAsLHS)
    }
    return _openExistential(lhs, do: receiveLHS)
}

dabrahams

protocol True {}
struct IsBidirectional<C> {}
extension IsBidirectional: True where C : BidirectionalCollection {  }
extension Collection {
  var isBidirectional: Bool {
    return IsBidirectional<Self>() is True
  }
}

func testIsBidirectional() {