crystal
https://github.com/crystal-lang/crystal
Crystal
The Crystal Programming Language
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- Issues
- Levenshtein slow and high on CPU usage
- Support `PCRE` `MARK` verb
- Higher memory use in CI with 1.2.0 as base compiler
- Compiler incorrectly infers the type of literal Hashes containing classes
- Support `Union.from_json_object_key`
- About the required whitespace before a colon in type restrictions
- Allow Int#chr to accept an optional encoding, much like String.new(bytes : Bytes, encoding : String)
- Large (~13.8kb) HTTP gzip responses aren't decompressed
- A restriction like `T -> T` might fail to typecheck with an unnotated recursive call #11059
- "Multiple assignment count mismatch" error message is often unhelpful
- Docs
- Crystal not yet supported