Ruby 1.9.3 の新機能と変更点について、2011年7月2日時点での NEWS をベースに解説しました。

1. Ruby 1.9.3
Kenta Murata
2011 7 3 1

2. 2011 7 3 2

3. 2011
2010 7
3 3
1 3

4. Ruby 1.9.3
Kenta Murata
2011 7 3 4

5. • ruby NEWS
( )
2011 7 3 5

6. • NEWS
• ruby_1_9_3
NEWS
2011 7 3 6

7. !
W
NE
ARGF.read_nonblock
• ARGF.read_nonblock(maxlen)
• ARGF.read_nonblock(maxlen, outbuf)
2011 7 3 7

8. !
W
NE
ARGF.to_write_io
•
IO
• IOError
2011 7 3 8

9. !
W
NE
ARGF.write
• ARGF.write(str)
• str
ARGF.to_write_io.write(str)
2011 7 3 9

10. !
W
NE
ARGF
• ARGF.print
• ARGF.printf
• ARGF.putc
• ARGF.puts
• IO
ARGF.write
2011 7 3 10

11. ! Array#pack,
W
NE
String#unpack
•
‘<’ ‘>’
S>, L>, Q>, s>, l>, q>, ‘>’
S!>, L!>, Q!>, s!>, l!>, q!>
S<, L<, Q<, s<, l<, q<, ‘<’
S!<, L!<, Q!<, s!<, l!<, q!<
2011 7 3 11

12. !
ed
ov
pr
Bignum
Im
• 1,500 ( 150 )
(Toom-3)
2011 7 3 12

13. !
W
NE
• CP950 (Big5)
• CP951 (BIg5HKSCS)
• UTF-16
• UTF-32
2011 7 3 13

14. !
ed
ng
a
Ch
• SJIS Windows-31J
• 1.9.2 Shift_JIS
2011 7 3 14

15. !
W
NE
File::NULL
• NULL
• UNIX “/dev/null”
• Windows “NUL”
2011 7 3 15

16. !
ed
ov
pr
IO#putc
Im
•
• putc “ ” !
2011 7 3 16

17. !
W
NE
IO#advise
• IO#advise(advise, offset=0, len=0)
• posix_fadvise(2)
OS
• posix_fadvise(2)
2011 7 3 17

18. !
W
NE
IO.write
• IO.write(name, string, offset=0, opts={})
• name string
offset
opts
• IO.read
2011 7 3 18

19. !
W
NE
IO.binwrite
• IO.binwrite(name, string, offset=0, opts={})
• IO.write
• “wb:ASCII-8BIT”
2011 7 3 19

20. !
ed
ng
BasicObject#__id__
a
Ch
• Object BasicObject
• [ruby-dev:42778]
2011 7 3 20

21. !
ed
Kernel#rand,
ov
pr
Im
Random.rand
• Kernel#rand(range)
• Random.rand(range)
•
OK
• [ruby-dev:43427], #4605
2011 7 3 21

22. !
W
Module#private_constant,
NE
Module#public_constant
•
•
2011 7 3 22

23. !
W
NE
String#prepend
• String#prepend(str)
• str
• recv[0,0] = str (
)
2011 7 3 23

24. !
W
NE
String#byteslice
• String#byteslice(n)
• String#byteslice(beg, end)
• String#slice
•
2011 7 3 24

25. !
ed
ov
pr
Time#strftime
Im
•
• %:z %H:%M
• %::z %H:%M:%S
2011 7 3 25

26. ! Process#maxgroups,
W
NE
Process#maxgroups
•
2011 7 3 26

27. !
ed
ov
BigDecimal.new,
pr
Im
Kernel#BigDecimal
• Integer Rational Float
• Rational Float
2
2011 7 3 27

28. !
ed
ov
pr
BigDecimal#coerce
Im
• Rational BigDecimal
coerce
BigDecimal
• 1.9.2 Rational Float
2011 7 3 28

29. !
ed
BigMath.exp,
ng
a
Ch
BigMath.log
• bigdecimal/math bigdecimal
•C
2011 7 3 29

30. !
ed
ov
pr
BigDecimal#**
Im
• BigDecimal
( )
2011 7 3 30

31. !
ed
ov
pr
DateTime
Im
• DateTime.new Float
Rational
•
2011 7 3 31

32. !
ed
ov
DateTime#+,
pr
Im
DateTime#-
• DateTime Float
• Float
2011 7 3 32

33. date
•
• strftime
(Time#strftime )
• inspect
• marshal
2011 7 3 33

34. !
W
NE
io/console
• IO#noecho {|io} ... }
• IO#echo=
• IO#echo?
• IO#raw {|io| ... }
• IO#raw!
• IO#getch
• IO#winsize
• IO.console
2011 7 3 34

35. !
W
NE
Matrix
• Matrix#diagnoal? --
• Matrix#hermitian? --
• Matrix#normal? --
• Matrix#orthogonal? --
• Matrix#permutation? --
• Matrix#symmetric? --
• Matrix#unitary? --
• Matrix#zero? --
2011 7 3 35

36. ! Matrix#eigen,
W
NE
Matrix#eigensystem
•
• v, d, v_inv = matrix.eigen
• v, v_inv :
• d:
• (v * d * v_inv).round(5) == matrix
2011 7 3 36

37. !
W
Matrix#lup
NE
Matrix#lup_decomposition
• LUP
• l, u, p = matrix.lup
2011 7 3 37

38. !
W
NE
Matrix#round
• Matrix#round(n=0)
• n
2011 7 3 38

39. !
W
NE
Vector#magnitude
•
2011 7 3 39

40. Matrix#each,
Matrix#each_with_index
• Matrix#each(mode=:all)
• each
:all
:diagonal
:off_diagonal
:lower
:strict_lower
:strict_upper
:upper
2011 7 3 40

41. :all
 
0 0 0 0 0
0 0 0 0 0

0 0 0 0 0

0 0 0 0 0
0 0 0 0 0
2011 7 3 41

42. :diagonal
 
0 0 0 0 0
0 0 0 0 0

0 0 0 0 0

0 0 0 0 0
0 0 0 0 0
2011 7 3 42

43. :off_diagonal
 
0 0 0 0 0
0 0 0 0 0

0 0 0 0 0

0 0 0 0 0
0 0 0 0 0
2011 7 3 43

44. :lower
 
0 0 0 0 0
0 0 0 0 0

0 0 0 0 0

0 0 0 0 0
0 0 0 0 0
2011 7 3 44

45. :strict_lower
 
0 0 0 0 0
0 0 0 0 0

0 0 0 0 0

0 0 0 0 0
0 0 0 0 0
2011 7 3 45

46. :strict_upper
 
0 0 0 0 0
0 0 0 0 0

0 0 0 0 0

0 0 0 0 0
0 0 0 0 0
2011 7 3 46

47. :upper
 
0 0 0 0 0
0 0 0 0 0

0 0 0 0 0

0 0 0 0 0
0 0 0 0 0
2011 7 3 47

48. !
ed
Matrix#find_index,
ov
pr
Im
Matrix#index
• Matrix#index(val, selector=:all)
• val [row, column]
• Matrix#index(selector=:all) {|val| ... }
•
• Matrix#index(selector=:all)
• Enumerator
2011 7 3 48

49. !
ed
ov
pr
Matrix.zero
Im
• Matrix.zero(row_size, col_size=row_size)
•
2011 7 3 49

50. !
ed
ov
pr
net/http
Im
• Server Name Indication (
)
• 100 continue ( )
• Net::HTTPRequest#set_form
application/x-www-form-urlencoded
multipart/form-data
2011 7 3 50

51. !
ed
ov
pr
webrick
Im
• WEBrick::HTTPRequest#continue 100
continue
• “%{remote}p”
2011 7 3 51

52. !
ed
ov
pr
openssl
Im
•
2011 7 3 52

53. !
ed
ov
pr
optparse
Im
• bash zsh l
2011 7 3 53

54. !
ed
ov
pr
Rake
Im
• 0.9.2.1
• 1.9.2 0.8.7
2011 7 3 54

55. !
ed
ov
pr
RDoc
Im
• 3.8
• 1.9.2 2.5.8
2011 7 3 55

56. !
ed
ov
pr
rexml
Im
• iconv Ruby
• Document#encoding XMLDecl#encoding
Output#encoding Source#encoding
Encoding
2011 7 3 56

57. !
ed
ov
pr
Rubygems
Im
• 1.5.0
2011 7 3 57

58. !
ed
ov
pr
stringio
Im
• StringIO#set_encoding
(IO#set_encoding )
•
2011 7 3 58

59. !
ed
ov
pr
test/unit
Im
•
•
2011 7 3 59

60. !
ed
ov
pr
uri
Im
• URI::Generic#hostname
URI::Generic#hostname=
2011 7 3 60

61. !
ed
ng
yaml
a
Ch
• YAML Psych
• syck
:
YAML::ENGINE.yamler = ‘syck’
2011 7 3 61

62. !
ed
ov
pr
zlib
Im
• Zlib::Deflate.deflate
Zlib.deflate
• Zlib::Inflate.inflate
Zlib.inflate
2011 7 3 62

63. !
ed
ov
pr
fileutils
Im
• FileUtils.chmod chmod(1)
• :
FileUtils.chmod “u=wrx,go=rx”, filename
2011 7 3 63

64. !
ed
ov
pr
Im
• Regexp Unicode 6.0
• Regexp Unicode Age
• warn-indent: true
) -*- warn-indent: true -*-
) -*- warn-indent: false -*-
2011 7 3 64

65. •
NEWS
• Ruby 1.9.3
2011 7 3 65