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author(no author) <(no author)@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2001-06-04 05:31:06 +0000
committer(no author) <(no author)@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2001-06-04 05:31:06 +0000
commit5a6ef901c24a9375c77b702b7a77b8116111e129 (patch)
treeb55e39579fa9d4e37555a858448fa1282c9b2d28 /doc
parent852e6bcb2f7b6a42d7823ddd5b52bf756df6528f (diff)
This commit was manufactured by cvs2svn to create branch 'ruby_1_6'.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_6@1493 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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+: Syntax
+
+ Experimentally altered to get the following code (note the space
+ after p):
+
+ p ("xx"*2).to_i
+
+ Interpreted as:
+
+ p (("xx"*2).to_i)
+
+ Instead of:
+
+ (p("xx"*2)).to_i
+
+: Range#to_ary
+
+ Added. You can now do something like this:
+
+ a, b, c = 1..3
+
+: break and next
+
+ Extended to take an optional expression, which is used as a value
+ for termination. [experimental]
+
+: SHA1 module
+
+ ruby-sha1 1.2 is newly imported as a standard library, which shares
+ a common interface with the existing md5 module.
+
+: MD5#<<
+
+ Added as an alias for MD5#update.
+
+: to_str
+
+ Added to get objects which define to_str() treated as String's.
+
+ Now almost all the built-in methods try each argument with to_str()
+ when they expect it to be a String.
+
+ foo = Object.new
+ class <<foo
+ def to_str
+ "foo"
+ end
+ end
+ p File.open(foo)
+ => -:7:in `open': wrong argument type Object (expected String) (TypeError)
+ ruby 1.6.4 (2001-04-19) [i586-linux]
+ => -:7:in `open': No such file or directory - "foo" (Errno::ENOENT)
+ ruby 1.7.0 (2001-05-02) [i586-linux]
+
+: Line-range operation
+
+ Obsoleted except the case when used in a one-liner (ruby -e "..."),
+ which means "if 101..200" in a script is no longer interpreted as
+ comparison between (({$.})) and 101 or 200.
+
+: Comparison of exception classes in a rescue clause
+
+ Changed to use ((<Module>))#=== for comparing $! with the exception
+ class specified in each rescue clause.
+
+ As the previous behavior was to use kind_of?, the effect is limited
+ to the SystemCallError case. SystemCallError.=== has been newly
+ defined to return true when the two have the same errno. With this
+ change, SystemCallError's with the same errno, such as Errno::EAGAIN
+ and Errno::EWOULDBLOCK, can both be rescued by listing just one of
+ them.
+
+: ((<Array>))#fetch
+
+ Added.
+
+: ((<Array>))#insert(n, other, ...)
+
+ Added. ((<ruby-talk:14289>))
+
+ This is much the same as (({ary[n,0] = [other,...]})) except
+ returing self.
+
+ ary = [0,1,2,3]
+ ary[2, 0] = [4, 5, 6]
+ p ary
+
+ ary = [0,1,2,3]
+ ary.insert(2, 4, 5, 6)
+ p ary
+
+: ((<Array>))#sort!
+
+ Changed to always return self without checking whether the sequence
+ of the elements was modified or not.
+
+ Beware that this behavior is not guaranteed to continue in the
+ future. Do not rely on its return value. ((<ruby-dev:12506>)).
+
+: ((<Dir>)).open
+
+ Changed to return what the block returns when a block is given, just
+ as ((<File>)).open does. (It always returned (({nil})) in 1.6 and
+ prior)
+
+: ((<Dir>)).chdir
+
+ Extended to take a block.
+
+: ((<Dir>)).glob
+
+ Made to support meta-character escaping by a backslash. Wildcards
+ and spaces may now be escaped using a backslash.
+
+: ((<Enumerable>))#all?
+: ((<Enumerable>))#any?
+: ((<Enumerable>))#inject
+
+ Added.
+
+: ((<File>)).lchmod
+: ((<File>)).lchown
+
+ Added.
+
+: ((<IO>)).for_fd
+
+ Added.
+
+: ((<IO>)).read
+
+ Added. ((<ruby-talk:9460>))
+
+: ((<Interrupt>))
+
+ Made a subclass of ((<SignalException>)). (It was a subclass of
+ Exception in 1.6 and prior)
+
+: ((<MatchData>))#to_ary
+
+ Added for convenience of Regexp#match. ((<ruby-dev:12766>))
+
+ Previously we had to do:
+
+ foo, bar, baz = /(\w+?)\s+(\w+?)\s+(\w+)/.match("foo bar baz").to_a[1..-1]
+ p [foo, bar, baz]
+
+ But now can do:
+
+ _, foo, bar, baz = /(\w+?)\s+(\w+?)\s+(\w+)/.match("foo bar baz")
+ p [foo, bar, baz]
+
+: ((<Math>)).acos(x)
+: ((<Math>)).asin(x)
+: ((<Math>)).atan(x)
+: ((<Math>)).cosh(x)
+: ((<Math>)).sinh(x)
+: ((<Math>)).tanh(x)
+: ((<Math>)).hypot(x,y)
+
+ Added.
+
+: ((<Module>))#included
+
+ Added. This is a hook called after Module#append_feature.
+
+: ((<Module>))#method_removed
+: ((<Module>))#method_undefined
+
+ Added.
+
+: ((<NoMethodError>))
+
+ Added. ((<ruby-dev:12763>))
+
+: NotImplementError
+
+ Finally obsoleted. Use ((<NotImplementedError>)).
+
+: ((<Object>))#singleton_method_removed
+: ((<Object>))#singleton_method_undefined
+
+ Added.
+
+: ((<Proc>))#==
+
+ Added.
+
+: ((<Process>)).times
+
+ Moved from ((<Time>)).times. (Time.times still remains but emits a
+ warning)
+
+: ((<Process::Status>))
+
+ Added. (({$?})) is now an instance of this class.
+
+: ((<Process>)).waitall
+
+ Added.
+
+: ((<Regexp>)).last_match(n)
+
+ Extended to take an optional argument.
+
+: ((<Regexp>))#options
+
+ Added.
+
+: ((<String>))#insert(n, other)
+
+ Added.
+
+ This is much the same as (({str[n, 0] = other})) except returing
+ self.
+
+: ((<Symbol>)).all_symbols
+
+ Added. ((<ruby-dev:12921>))
+
+: ((<Symbol>))#intern
+
+ Added.
+
+: ((<SystemCallError>)).===
+
+ Added. (See the "Comparison of exception classes in a rescue clause"
+ paragraph above) ((<ruby-dev:12670>))
+
+: ((<SystemExit>))#status
+
+ Added.
+
+: ((<TCPSocket>)).new
+: ((<TCPSocket>)).open
+
+ Extended to take an address and a port number for the local side in
+ optional 3rd and 4th arguments.
+
+: ((<Time>))
+
+ Extended to accept a negative time_t. (Only when the platform
+ supports it)
+
+ p Time.at(-1)
+ => Thu Jan 01 08:59:59 JST 1970
+
+: ((<Time>))#to_a
+: ((<Time>))#zone
+
+ Made to return "UTC" under gmtime. It used to return a platform
+ dependent value, typically "GMT", in 1.6 and prior.
+
+To be investigated:
+
+ Sat Feb 24 03:15:49 2001 Yukihiro Matsumoto <matz@ruby-lang.org>
+
+ * io.c (set_stdin): preserve original stdin.
+
+ * io.c (set_outfile): preserve original stdout/stderr.
+