- Enabling Optimizations
- Whole Module Optimizations (WMO)
- Reducing Dynamic Dispatch
- Dynamic Dispatch
- Advice: Use 'final' when you know the declaration does not need to be overridden
- Advice: Use 'private' and 'fileprivate' when declaration does not need to be accessed outside of file
- Advice: If WMO is enabled, use 'internal' when a declaration does not need to be accessed outside of module
- Using Container Types Efficiently
- Advice: Use value types in Array
- Advice: Use ContiguousArray with reference types when NSArray bridging is unnecessary
- Advice: Use inplace mutation instead of object-reassignment
- Wrapping operations
- Advice: Use wrapping integer arithmetic when you can prove that overflow cannot occur
- Generics
- Advice: Put generic declarations in the same module where they are used
- The cost of large Swift values
- Advice: Use copy-on-write semantics for large values
- Unsafe code
- Advice: Use unmanaged references to avoid reference counting overhead
- Protocols
- Advice: Mark protocols that are only satisfied by classes as class-protocols
- The Cost of Let/Var when Captured by Escaping Closures
- Advice: Pass var as an inout if closure not actually escaping
- Unsupported Optimization Attributes
A short WTF: Joe Birch: SERVER DRIVEN UI, PART 1: THE CONCEPT Zalando seems to follow the SDUI principle as well - defining a common design language and construct the screens on the backend while displaying them natively on the clients. They even go one step further; they implemented a mighty toolset to enable non-technical stakeholders to define their own native app screens Compass: Web tooling to create screens and bind data Beetroot: Backend service that combines the screen layout definition with the data Lapis/Golem: iOS/Android UI render engines Crazy cool! Good job, guys (when you do an open-source release?) To even move faster a Flutter based UI render engine implementation was great! See also AirBnB Lona SDUI approach Building a Visual Language Why Dropbox sunsetted its universal C++ mobile project and AirBnB its React Native implementation
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