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0.20.4
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@asterite asterite released this 07 Jan 13:02
· 6381 commits to master since this release
0.20.4
d1f8c42
  • (breaking change) A type that wants to convert itself to JSON now must override to_json(builder : JSON::Builder) instead of to_json(io : IO). The same is true for custom JSON converters. If you are using JSON.mapping then your code will continue to work without changes.
  • (breaking change) Defining a finalize method on a struct now gives a compile error
  • (breaking change) Default argument types now must match their restriction, if any (for example def foo(x : Int32 = nil) will now fail to compile if foo is invoked without arguments) (thanks @makenowjust)
  • (breaking change) each methods now return Nil
  • (breaking change) IO#skip(bytes) will now raise if there aren't at least the given amount of bytes in the IO (previously it would work well if there were less bytes, and it would hang if there were more)
  • (breaking change) MemoryIO was removed (use IO::Memory instead)
  • (breaking change) Number#step now requires named arguments, to and by, to avoid argument order confusion
  • (breaking change) YAML::Emitter was renamed to YAML::Builder, and some of its methods were also renamed
  • (breaking change) XML::Node#[] now always returns a String (previously it could also return Nil, which was incorrect)
  • (breaking change) XML::Node#content now returns an empty String when no content is available
  • HTTP::Client now automatically reconnects on a dropped keep-alive connection
  • with ... yield now works well with method_missing
  • Class variables can now be used in generic types (all generic instances share the same variable, and subclasses get their own copy, as usual)
  • Added support for LLVM 4 (thanks @ysbaddaden)
  • Added Enum.each and Enum#each (thanks @ysbaddaden)
  • Added Hash#compact and Hash#compact! (thanks @makenowjust)
  • Added IO#read_string(bytesize)
  • Added IO#skip_to_end
  • Added Iterator#flat_map (thanks @makenowjust)
  • Added JSON.build and JSON::Builder
  • Added NamedTuple#has_key?(String) (thanks @Sija)
  • Added p(NamedTuple) (thanks @splattael)
  • Added Regex::MatchData#== (thanks @makenowjust)
  • Added String#sub(Regex, NamedTuple) (thanks @maiha)
  • Added XML.build and XML::Builder
  • Lots of improvements and applied consistencies to doc comments (thanks @Sija and @maiha)
  • Some bug fixes
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