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Type Safely, authored by Rob Sturgeon, offers a series of practical coding tips and insights for SwiftUI developers. It covers a range of topics from handling multi-clause if conditions, manipulating server responses, enhancing UI components, to automating development processes in Xcode. The substack emphasizes code organization, efficiency, and leveraging Swift's features to create more dynamic and responsive applications.

SwiftUI Tips and Tricks Server Responses Handling Code Management and Organization UI Components Customization Auto Versioning and Build Numbers Random Number Generation Function Utilization in Swift Keyboard Shortcuts and Menu Commands Feature Flag Management SwiftUI Navigation Coding Tips Subscription Service SwiftUI Component Properties

The hottest Substack posts of Type Safely

And their main takeaways

How To Use If Case Let In a Multi-Clause If Condition

4 implied HN points • 07 Mar 23

In a multi-clause if statement, each clause is separated by a comma.
Using if case let allows binding a value in one clause and checking it in the next.
Commas in conditions differ from && operator, as && does not allow access to optionally bound values.

45 Daily Coding Tips For Swift Developers That Will Always Be Free

0 implied HN points • 05 Feb 23

Over 80% of the Daily Coding Tips are exclusive to paid subscribers.
Free subscribers can access 60+ Daily Coding Tips.
The Swift tips cover various topics like SwiftUI, machine learning, GitHub, and more.

Use hasFeature To Determine Whether Experimental Feature Flags Are Enabled

0 implied HN points • 06 Apr 23

🕹 Technology Programming

Use hasFeature to determine if experimental feature flags are enabled.
Enable concise magic file names in Xcode project by adding a specific value in Build Settings.
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Control Whether SwiftUI List Row Separators Are Visible

0 implied HN points • 21 Feb 23

🕹 Technology Mobile Development Coding UI/UX Design

Controlling row divider visibility in SwiftUI List is easier now.
Use the .listRowSeparator() modifier to control separators.
Visual guide available for setting up row separators.

Adding Keyboard Shortcuts To Menu Commands

0 implied HN points • 22 Feb 23

🕹 Technology Software Coding

Menu bars in macOS provide quick access to actions without cluttering windows.
Users commonly use keyboard shortcuts like Cmd + C and Cmd + V for copy and paste.
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Run Functions Anywhere In The View Body

0 implied HN points • 11 Apr 23

🕹 Technology Coding Development SwiftUI Functions Programming

You can run functions anywhere in the view body in Swift by creating your own function.
Undocumented functions like View._printChanges() can lead to rejection in App Store submissions.
In Swift, using underscore (_) allows you to run a function without storing its result, useful for functions that return Void.

Use a Gradient As The Foreground Style of a Text

0 implied HN points • 14 Apr 23

🕹 Technology App Development iOS Coding Design

In iOS 15 and newer versions, using a gradient as the foreground style of text is simpler with the .foregroundStyle(_) modifier.
LinearGradient conforms to both the ShapeStyle and View protocols, making it easy to pass gradients.
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Navigate on Old and New iOS Versions With NavigationContainer

0 implied HN points • 15 Mar 23

🕹 Technology iOS Coding

The post discusses navigating on different iOS versions using NavigationContainer.
There is a solution provided to handle the discrepancy between iOS 16 and older versions.
Readers are encouraged to subscribe for a 7-day free trial to access more content.

Use a Do Block Without a Catch Block

0 implied HN points • 15 Mar 23

🕹 Technology Coding

Creating a do block without a catch block can help maintain a strict scope in your code.
Anything defined within a do block remains confined to that block, including variables.
This can be beneficial when you want to limit the impact and visibility of certain code segments.

Mock Server Responses Using Combine and Display a Dog Photo For Any HTTP Status Code

0 implied HN points • 10 Feb 23

A service called http.dog provides a picture of a dog for any valid HTTP status code.
For example, a 404 error will return an image of a dog digging a hole.
To demonstrate this, the correct dog image can be displayed based on the server response.

Display App Version and Build Number on Every macOS App Window

0 implied HN points • 11 Feb 23

🕹 Technology Software Coding

Displaying app version and build number on macOS apps is useful for tracking updates
Extract 3 strings from infoDictionary in main Bundle to get version info
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Change Build Numbers Automatically In Xcode With a Run Script Build Phase

0 implied HN points • 11 Feb 23

Change build numbers automatically in Xcode with a run script build phase
Navigate to the Build Settings tab and use the search box to find versioning settings
Adjust Versioning System to Apple Generic to control build numbers

Make a Random Number Generator That Works With Float, Double and Int

0 implied HN points • 28 Mar 23

🕹 Technology Coding

Make NSNumber conform to the Comparable protocol for generating random numbers.
Utilize the NumberType enumeration with range and form for better organization.
Consider implementing a range for generating random float, double, or integer within specified constraints.

Add Buttons To a Slider To Quickly Set The Minimum and Maximum Values

0 implied HN points • 13 Feb 23

🕹 Technology Coding UI Design App Development

Add buttons to a slider to quickly set the minimum and maximum values.
Buttons can have custom labels and functionality.
Buttons can have closures attached to them for specific actions.

Select Multiple Dates With MultiDatePicker

0 implied HN points • 16 Feb 23

🕹 Technology Web Development Software

You can select multiple dates with a MultiDatePicker.
Data must be bound to a Set of DateComponents for displaying the selected dates.
Consider the limitations of using a Set collection when working with selected dates.