Hello everyone! Let’s take a look what I learned in 11 January 2021, shall we?
#1 - Different ways to compare string in Swift
Source: https://sarunw.com/posts/different-ways-to-compare-string-in-swift/
let a = "a"
let capitalA = "A"
a.compare(capitalA, options: .caseInsensitive)
// ComparisonResult.orderedSame
if a.compare(capitalA, options: .caseInsensitive) == .orderedSame {
// a is equals to A
}
// or
a.caseInsensitiveCompare(capitalA)
// ComparisonResult.orderedSame
#2 - Keep private information out of your logs with Swift
Source: https://olegdreyman.medium.com/keep-private-information-out-of-your-logs-with-swift-bbd2fbcd9a40
“This wrapper doesn’t do much: it simply makes sure that when your code is trying to print , debugPrint or dump a property, it will show --redacted-- instead of an actual value. And since virtually any existing logging system uses one of these functions, it will effectively remove any @LoggingExcluded property from our logs.”
@propertyWrapper
struct LoggingExcluded<Value>: CustomStringConvertible, CustomDebugStringConvertible, CustomLeafReflectable {
var wrappedValue: Value
init(wrappedValue: Value) {
self.wrappedValue = wrappedValue
}
var description: String {
return "--redacted--"
}
var debugDescription: String {
return "--redacted--"
}
var customMirror: Mirror {
return Mirror(reflecting: "--redacted--")
}
}
Example usage:
struct User {
var identifier: String
var handle: String
@LoggingExcluded var name: String
@LoggingExcluded var dateOfBirth: Date
@LoggingExcluded var city: String
}
// print
User(identifier: "6EEBA88F-D397-4108-B3D9-2B60E5FB4477", handle: "swifty15", _name: --redacted--, _dateOfBirth: --redacted--, _city: --redacted--)
Other Findings
- Free Instruments Tutorial from Ray Wenderlich
- 10 Things iOS Developer Should Focus on 2021 - Donny Walls
Closing Notes
I hope you liked what you heard and I am really looking forward to seeing you in the next one!
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Until next one,
Furkan