分享 Ruby 2.1 In Detail

martin · 2014年05月09日 · 最后由 yukihiro_matz 回复于 2014年05月14日 · 2135 次阅读

http://globaldev.co.uk/2014/05/ruby-2-1-in-detail

  • New versioning policy
  • Required keyword arguments
  • String#freeze optimisation
  • def returns the method name as a Symbol
  • Rational and Complex literals
  • Array/Enumerable #to_h
  • Fine grained method cache
  • Exception
  • Generational Garbage Collection
  • GC
  • GC tuning environment variables
  • ObjectSpace tools to track down memory leaks
  • Refinements
  • String#scrub
  • Bignum/Rational performance improvements
  • $SAFE level 4 removed
  • clock_gettime
  • RubyGems updated
  • Deprecated Rake features removed
  • RDoc template update
  • Process title
  • Frozen Symbols
  • Fixed eval scope leak
  • #untrusted? is now an alias of #tainted?
  • return in lambda now always returns from lambda
  • Get interface addresses
  • Named capture support in StringScanner
  • YAML.safe_load
  • Resolv one-shot MDNS and LOC record support
  • Improved Socket error messages
  • Hash#shift much faster
  • Queue, SizedQueue, and ConditionVariable performance improvements
  • Timeout internal exception can’t be rescued
  • Easier streaming responses with WEBrick
  • Numeric#step
  • Use IO _nonblock without raising exceptions
  • IO ignores internal encoding if external encoding is ASCII-8BIT
  • #include and #prepend now public
  • Module/Class #singleton_class?
  • Module#ancestors more consistent
  • Object#singleton_method
  • Method#original_name
  • Mutex#owned?
  • Hash#reject
  • Vector#cross_product
  • Fixnum/Bignum #bit_length
  • pack/unpack Native Endian long long
  • Dir glob returns composed characters
  • Better type coercion for Numeric#quo
  • Binding#local_variable_get/_set/_defined?
  • CGI class methods now available from CGI::Util module
  • Digest::Class.file passes arguments to initialiser
  • Net::SMTP#rset
  • open-uri supports repeated headers
  • Write to files with Pathname
  • Tempfile.create
  • Rinda multicast support
  • Easy setting of extra HTTP options for XMLRPC
  • URI.encode_/decode_www_form updated to match WHATWG standard
  • RbConfig::SIZEOF
  • Can set facility with Syslog::Logger
  • CSV.foreach with no block returns working enumerator
  • OpenSSL bignum
  • Enumerator.new size argument fixed to accept any callable object
  • curses library removed
  • TSort class methods
  • TCP Fast Open
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