diff options
| -rw-r--r-- | NEWS (renamed from doc/NEWS) | 81 |
1 files changed, 49 insertions, 32 deletions
@@ -1,28 +1,28 @@ -Changes for 1.9 += NEWS -Incompatible (Severe) +This document is a list of user visible feature changes made between +releases except for bug fixes. + +Note that each entry is kept so brief that no reason behind or +reference information is supplied with. For a full list of changes +with all sufficient information, see the ChangeLog file. + +== Changes since the 1.8.7 release + +=== Compatibility issues + +* language core * New syntax and semantics o Block arguments are always local o Block arguments o New semantics for block arguments o Block local variables - * Array - o Array#nitems was removed (use count {|i| !i.nil?}) - o Array#choice was removed (use sample) - * String - o No longer an Enumerable - o ?c semantics - o "One-char-wide" semantics for String#[] and String#[]= [Ruby2] - o Encoding-awareness - * IO operations - o IO#getc - -Incompatible (Trivial) - - * New syntax and semantics o Method used for splat arguments: #to_splat o defined? and local variables + +* builtin classes and objects + * Kernel and Object o Kernel#require * Class and Module @@ -35,25 +35,34 @@ Incompatible (Trivial) o SystemStackError o SecurityError o Removed Exception#to_str [Ruby2] + * Array + o Array#nitems was removed (use count {|i| !i.nil?}) + o Array#choice was removed (use sample) o Array#[m,n] = nil places nil in the array. + * Enumerable and Enumerator + o Enumerable#map,collect_all called without a block returns + an enumerator. + * File and Dir operations + o #to_path in File.path, File.chmod, File.lchmod, File.chown, File.lchown, File.utime, File.unlink... [Ruby2] + o Dir.[], Dir.glob + o Dir.exist? + * String + o No longer an Enumerable + o ?c semantics + o "One-char-wide" semantics for String#[] and String#[]= [Ruby2] + o Encoding-awareness * Hash - o Hash#default_proc= o Hash#to_s is equivalent to Hash#inspect o Semantics for Hash#each and Hash#each_pair - o Hash#select + o Hash#select returns a hash o Hash#key is the new name for #index which has been deprecated. o Most of the changes in Hash apply to hash like interfaces such as ENV and *DBM. * Integer o Integer(nil) raises TypeError - * Struct - o Struct#inspect - * File and Dir operations - o #to_path in File.path, File.chmod, File.lchmod, File.chown, File.lchown, File.utime, File.unlink... [Ruby2] - o Dir.[], Dir.glob - o Dir.exist? * IO operations + o IO#getc o Non-blocking IO o Kernel#open takes "t" for newline conversion o Kernel#open takes encoding specified @@ -67,9 +76,9 @@ Incompatible (Trivial) * Time o New format in Time#to_s o Timezone information preserved on Marshal.dump/load + * Struct + o Struct#inspect * Symbols: restriction on literal symbols - * Readline - o If Readline uses libedit, Readline::HISTORY[0] returns the first of the history. * $SAFE and bound methods * Deprecation o VERSION and friends @@ -82,7 +91,12 @@ Incompatible (Trivial) o Removed Array and Hash #indices, #indexes o libraries: base64, mailread, getopts, parsearg, soap, wsdl -Compatible +* bundled libraries + + * Readline + o If Readline uses libedit, Readline::HISTORY[0] returns the first of the history. + +=== Language core changes * New syntax and semantics o New literal hash syntax @@ -93,6 +107,9 @@ Compatible o Arguments to #[] o printf-style formatted strings (%) o Newlines allowed before ternary colon + +=== Library updates + * Kernel and Object o BasicObject o Object#=~ @@ -113,11 +130,9 @@ Compatible o Passing blocks to #[] o Proc#lambda? * Enumerable and Enumerator - o Enumerable#map,collect_all called without a block returns - an enumerator. o Enumerable#each_with_object [experimental] - o Enumerator#with_object [experimental] - o Enumerator.new { ... } [experimental] + o Enumerator#with_object + o Enumerator.new { ... } * Regexp#match, String#match o Regexp#match, String#match * Encoding @@ -130,6 +145,7 @@ Compatible o Array.try_convert * Hash o preserving item insertion order + o Hash#default_proc= o Hash#_compare_by_identity and Hash#compare_by_identity? o Hash.try_convert * Numeric @@ -180,7 +196,8 @@ Compatible o Method#hash, Proc#hash o __callee__ -* Implementation +=== Implementation changes + * Memory Diet * Object Compaction - Object, Array, String, Hash, Struct, Class, Module * st_table compaction (inlining small tables) |