SwiftString | A comprehensive , lightweight string extension for Swift | iOS library
kandi X-RAY | SwiftString Summary
kandi X-RAY | SwiftString Summary
SwiftString is a lightweight string extension for Swift. This library was motivated by having to search StackOverflow for common string operations, and wanting them to be in one place with test coverage.
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Currently covering the most popular Java, JavaScript and Python libraries. See a Sample of SwiftString
SwiftString Key Features
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Trending Discussions on SwiftString
QUESTION
I am trying to pass a byte array+length to C and since swift is using the existing Data struct to store byte array with the length built into it, I would like to know how to pass a swift Data struct to C complete with a replica Data struct in C
A corollary is how can I also return a Data struct from C to swift?
I have tried to create a corresponding Data struct in the C header file:
...ANSWER
Answered 2020-Apr-14 at 15:11The equivalent of UInt8 on the C side would be unsigned char. Therefore your C structure would look more like this:
QUESTION
I am working with some mixed C-Swift code that has a construction for converting a C-string in a struct to a Swift string like so:
...ANSWER
Answered 2019-Oct-21 at 18:45Your method relies on undefined behavior. Here
QUESTION
Consider the following programm:
...ANSWER
Answered 2019-Mar-17 at 14:34perhaps due to some lazy runtime actions
Spot on, first calls to anything can be slower for various reasons including resolution of dynamically loaded libraries.
Any ideas for such a behavior?
A first guess would be that String(describing:)
takes any value, figures out what kind of value it is (it's description states it tests for conformance to three different protocols), and then calls the appropriate functions to describe the value. However NSStringFromClass
takes only Class
values, which is checked at compile time, and then directly calls the runtime functions needed to get the class name as a string without any need for testing and branching on the kind of value passed.
TLDR: More work takes more time, testing and branching slows you down.
HTH
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