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Not broken array semigroup#3

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UnrelatedString wants to merge 49 commits intoUnisay:masterfrom
UnrelatedString:not-broken-array-semigroup
Open

Not broken array semigroup#3
UnrelatedString wants to merge 49 commits intoUnisay:masterfrom
UnrelatedString:not-broken-array-semigroup

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Description of the change

The current implementation of Semigroup (Array a) mistakenly uses table.concat, which expects a string separator for its second parameter and errors at runtime when called with two tables. This PR replaces that implementation with one which manually builds the concatenated array element by element.

This also subsumes #2.


Checklist:

  • Added the change to the changelog's "Unreleased" section with a reference to this PR (e.g. "- Made a change (#0000)")
  • Linked any existing issues or proposals that this pull request should close
  • Updated or added relevant documentation
  • Added a test for the contribution (if applicable)

UnrelatedString and others added 30 commits March 25, 2025 15:12
…of scope for what I’m doing at the moment :P
… backend's Generic implementation so I'll just go sweep that under the rug for now aaand the tests pass :D
…f exit code even is 143 and pleaseeeee tell me the cache will be able to speed this up some once it actually does work
…ly special cased by the compiler to emit native comparisons directly and completely ignore Version: ImageMagick 6.9.10-23 Q16 x86_64 20190101 https://imagemagick.org

Copyright: © 1999-2019 ImageMagick Studio LLC
License: https://imagemagick.org/script/license.php
Features: Cipher DPC Modules OpenMP
Delegates (built-in): bzlib djvu fftw fontconfig freetype heic jbig jng jp2 jpeg lcms lqr ltdl lzma openexr pangocairo png tiff webp wmf x xml zlib
Usage: compare-im6.q16 [options ...] image reconstruct difference

Image Settings:
  -alpha option        on, activate, off, deactivate, set, opaque, copy
                       transparent, extract, background, or shape
  -authenticate password
                       decipher image with this password
  -background color    background color
  -channel type        apply option to select image channels
  -colorspace type     alternate image colorspace
  -compose operator    set image composite operator
  -compress type       type of pixel compression when writing the image
  -decipher filename   convert cipher pixels to plain pixels
  -define format:option
                       define one or more image format options
  -density geometry    horizontal and vertical density of the image
  -depth value         image depth
  -dissimilarity-threshold value
                       maximum distortion for (sub)image match
  -encipher filename   convert plain pixels to cipher pixels
  -extract geometry    extract area from image
  -format "string"     output formatted image characteristics
  -fuzz distance       colors within this distance are considered equal
  -gravity type        horizontal and vertical text placement
  -highlight-color color
                       empasize pixel differences with this color
  -identify            identify the format and characteristics of the image
  -interlace type      type of image interlacing scheme
  -limit type value    pixel cache resource limit
  -lowlight-color color
                       de-emphasize pixel differences with this color
  -mask filename       associate a mask with the image
  -metric type         measure differences between images with this metric
  -monitor             monitor progress
  -passphrase filename get the passphrase from this file
  -profile filename    add, delete, or apply an image profile
  -quality value       JPEG/MIFF/PNG compression level
  -quiet               suppress all warning messages
  -quantize colorspace reduce colors in this colorspace
  -regard-warnings     pay attention to warning messages
  -repage geometry     size and location of an image canvas
  -respect-parentheses settings remain in effect until parenthesis boundary
  -sampling-factor geometry
                       horizontal and vertical sampling factor
  -seed value          seed a new sequence of pseudo-random numbers
  -set attribute value set an image attribute
  -quality value       JPEG/MIFF/PNG compression level
  -similarity-threshold value
                       minimum distortion for (sub)image match
  -size geometry       width and height of image
  -subimage-search     search for subimage
  -synchronize         synchronize image to storage device
  -taint               declare the image as modified
  -transparent-color color
                       transparent color
  -type type           image type
  -verbose             print detailed information about the image
  -version             print version information
  -virtual-pixel method
                       virtual pixel access method

Image Operators:
  -brightness-contrast geometry
                       improve brightness / contrast of the image
  -distort method args
                       distort images according to given method and args
  -level value         adjust the level of image contrast
  -resize geometry     resize the image
  -rotate degrees      apply Paeth rotation to the image
  -sigmoidal-contrast geometry
                       increase the contrast without saturating highlights or
  -trim                trim image edges

Image Sequence Operators:
  -crop geometry       cut out a rectangular region of the image
  -separate            separate an image channel into a grayscale image
  -write filename      write images to this file

Image Stack Operators:
  -delete indexes      delete the image from the image sequence

Miscellaneous Options:
  -debug events        display copious debugging information
  -help                print program options
  -list type           print a list of supported option arguments
  -log format          format of debugging information

By default, the image format of `file' is determined by its magic
number.  To specify a particular image format, precede the filename
with an image format name and a colon (i.e. ps:image) or specify the
image type as the filename suffix (i.e. image.ps).  Specify 'file' as
'-' for standard input or output. lmaoooo
…at the whole reason I came back to this was the table.concat issue :/
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