arrayref | Two macros for taking array references in rust | Reflection library

I don't understand the error message

Type of argument to each on reference must be unblessed hashref or arrayref at test.pl line 17.

for this test case (extracted from a larger module):

I am learning SwiftUI on 100 Days of SwiftUI on Hacking with Swift. My Xcode SwiftUI Preview crashes and I don't know why. Running on Simulator works though. I tried to completely reinstall Xcode (deleting the app, preferences, libraries etc), but it still doesn't work. I am using Xcode 13.2.1 on iMac 2019 i9 9900K 64GB RAM.

Here is the problem details. (cannot contain full report because of 30000 word limit)

My flutter app run well, but when I try to upload the app to App Store by archive it: Xcode -> Product -> Archive
it failed and get two errors First one in flutter_inappwebview with following error message:

My app archive perfectly two weeks age (was the latest update I made).

After some minor changes in the flutter code (I did not add any packages or something), I am trying to archive again and I am getting some estrange errors and I have no clue where are coming from (those are from libraries, so no real changes on it). I am able to run it on the emulator and also I am able to build without any problem. I just can not archive.

This is the error:

It took quite a while to distill this down to a manageable size, but here's the code:

I've been struggling with this for longer than I care to admit and would really appreciate some help.

I'm trying to do a project which involves building a linker and scheduler, and thought if I could use some of the functionality that's already been build into LLVM that would be great. I'm using LLVM 10. To get started I did some reading and tried to build this example. Because I plan on embedding LLVM into another project, used this as a reference for 'how to build' the example (see below). I figured the dependencies are just the components from the example CMakeLists.txt.

If I'm not mistaken, I'm getting a linker error and that the component list is the problem, but I'm struggling to resolve it. The way it seems LLVM does linking is by mapping a component name to an library file, but since I don't know which missing library might be causing it I'm stuck. Also, I don't know what llvm_libs is, but adding it to the component list seemed to resolve some of the linker errors I was getting originally. Also also, changing the order of the component list will give me different amounts of errors, which absolutely confounds me.

CMakeLists.txt

I try to write a subroutine under Perl 5 version 5.20, that creates a large directory list stored in an array. The subroutine returns the result as an arrayref. For convenience reasons I want the have the option to sort the result.

I am trying to create a grid based map by instancing a class associated with each tile, and storing them in an array. The GenerateBattlefieldTiles() method simply generates an entire map of generic tiles, which will be replaced with later methods. Right now I am working on a path generator, and am wondering if replacing an instance in the array will destroy the instance, since the array is the only reference to said instance, or if I have to destroy the instance before replacing it.

I am writing an LLVM PASS to analyze info in registers. It seems that IRBuilder optimized my code automatically, making an expression to be an operand. For example, I write down below code to generate LLVM IR.