with-utf8
text
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| with-utf8 | text | |
|---|---|---|
| 4 | 13 | |
| 52 | 396 | |
| - | 0.8% | |
| 6.3 | 8.4 | |
| 3 days ago | 2 days ago | |
| Haskell | C++ | |
| Mozilla Public License 2.0 | BSD 2-clause "Simplified" License |
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with-utf8
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Best resources to learn haskell?
Invalid byte sequence sounds like a locale issue (see this blog post).
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What Is IO Monad?
The real fix will happen when Data.Text moves from UTF-16 to UTF-8:
https://discourse.haskell.org/t/hf-tech-proposal-1-utf-8-enc...
Fortunately this proposal has been accepted, but I don't know the timeline for its implementation in GHC.
Until then, working with UTF-8 is kind of convoluted
https://serokell.io/blog/haskell-with-utf8
Also: libraries need to be fixed to accept Data.Text instead of String. IsString helps (it's a typeclass that contains all string types) but only if APIs take it instead of defaulting to String. Adding random string conversions to cope with legacy APIs is very annoying.
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Where can I look for help?
Agda is written in Haskell, and the quoted error message is a common problem with applications written in Haskell. You probably have an environment variable like LC_CTYPE or LC_ALL which is set to an unusual value. I'd try setting LANG, LC_CTYPE and LC_ALL to en_US.utf8.
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Using VS Code with Haskell
without this I get a build error (see here
text
- Super Colliding Nix Stores: Nix Flakes for Millions of Developers
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The Spinnaker Programming Language
String is a linked list of UTF-32 codepoints, which is just as bad as it sounds. Haskell programmers usually use Text from the text package instead.
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[ANN] GHCup-0.1.19.0 released
This is the first release that was executed via the new GitHub CI. Everything went smoothly, except for an unexpected packaging bug on windows due to text-2.0 linking against libstdc++ by default.
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Limits of possible performance improvements of Haskell/GHC code?
In addition to what's mentioned, the "default" libraries people use are often not the best-performing ones. E.g. Data.Vector.Hashtables is often much faster than Data.HashMap.Strict (which again is typically faster than Data.Map). And we find performance papercuts in common libraries that may simply be due to not enough people optimising for speed.
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What is the idiomatic way to test "hidden" module functions in a Cabal project
Used by nearly every Haskell project: https://hackage.haskell.org/package/text 60% of the modules are ".Internal".
- Monthly Hask Anything (June 2022)
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Haskell - Important Libraries
text
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Switch internal representation to UTF8 by Bodigrim · Pull Request #365 · haskell/text
Here is a representative patch for text: https://github.com/haskell/text/pull/365/commits/37a2157245457a287d638bbceb472fe93b71f224 Hopefully it clarifies why achieving C performance is problematic even if you have enough primitive operations.
- Size hints for streams in text package
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Can I wait forever without getLine?
I want to run an app in a Docker container, but detached. This causes getLine to throw an EOF exception, since the terminal detaches. That is, if I understand this thread correctly https://github.com/haskell/text/issues/258.
What are some alternatives?
haskell-language-server - Official haskell ide support via language server (LSP). Successor of ghcide & haskell-ide-engine.
attempt - Concrete data type for handling extensible exceptions as failures.
text-short - Memory-efficient representation of Unicode text strings
base58string - Bitcoin script compilation, manipulation and decompilation
unicode-transforms - Fast Unicode normalization in Haskell
algebraic-classes - Conversions between algebraic classes and F-algebras.
unicode-data - Access unicode character database
text-ansi
safeio - Haskell Library for safe (atomic) IO
text-trie - An efficient finite map from Text to values, based on bytestring-trie.
binary-io - Read and write values of types that implement Binary from and to Handles
gps2htmlReport - Generates a HTML page report detailing a GPS journey, with charts, statistics and an OpenStreetMap graphic.