1. Perl 6 Data Structures

2. Herbert Breunung 3. CPAN: lichtkind 4. Kephra 0.4.3.32 5. Kephra Logo 6. As Hieroglyph 7. Mansfelder Land 8. Mansfelder Land 9. Egypt aka Khem 10. Got A Camel 11. Became Velociraptor 12. Camelia 13. Camel ia 14. 15. Cockaigne 16. Holy Grail 17. Beauty And Order 18. Data Structures 19. 20. @rrays And %ashes 21. $calars Too 22. Every Day Perl 5

@cities = ( 'roma' , 'milano' , 'turino' );

23. Perl 5 & 6

@cities = ( 'roma' , 'milano' , 'turino' );

24. Perl 5

@cities = qw( roma milano turino );

25. Perl 6

@cities = qw( roma milano turino ); @cities = < roma milano turino >;

26. With Interpolation Like

@cities = qw( roma milano turino ); @cities = < roma milano turino >; @cities = >;

27. Perl 5 & 6

@cities = ( 'roma' , 'milano' , 'turino' );

28. Still P5 & P6

@cities = ( 'roma' , 'milano' , 'turino' ); @cities ='roma' , 'milano' , 'turino' ;

29. Braces Now Just Group

@cities = ( 'roma' , 'milano' , 'turino' ); @cities ='roma' , 'milano' , 'turino' ;

30. Item Context

$cities = ( 'roma' , 'milano' , 'turino' ); $cities ='roma' , 'milano' , 'turino' ;

31. Item Context

# Parcel() $cities = ( 'roma' , 'milano' , 'turino' ); # Str() $cities ='roma' , 'milano' , 'turino' ;

32. What Is Str ?

# Parcel() $cities = ( 'roma' , 'milano' , 'turino' ); # Str() - 'roma' is a string $cities ='roma' , 'milano' , 'turino' ;

33. Just the first value?

# Parcel() $cities = ( 'roma' , 'milano' , 'turino' ); # $a, $b, $c = 1, 2, 3; $cities ='roma' , 'milano' , 'turino' ;

34. What is a Parcel ?

# Parcel type of a signiture $cities = ( 'roma' , 'milano' , 'turino' ); # Str() $cities ='roma' , 'milano' , 'turino' ;

35. () reminds you on what?

# Parcel like in function(1,2,3); $cities = ( 'roma' , 'milano' , 'turino' ); # Str() $cities ='roma' , 'milano' , 'turino' ;

36. Parcel

# have positional and named args $cities = ( 'roma' , 'milano' , 'turino' ); # Str() $cities ='roma' , 'milano' , 'turino' ;

37. Container Types

# Array() $cities = [ 'roma' , 'milano' , 'turino' ]; # Parcel() $cities = ( 'roma' , 'milano' , 'turino' );

38. Array() ne List() ne Parcel()

# List() $cities=@( 'roma' , 'milano' , 'turino' ); # Parcel() $cities = ( 'roma' , 'milano' , 'turino' );

39. Just A List

# List() $cities= list ( 'roma' , 'milano' , 'turino' ); # List() $cities = ||( 'roma' ,'milano' , 'turino' );

40. Array Object

$cities = [ 'roma' , 'milano' , 'turino' ]; @cities ='roma' , 'milano' , 'turino' ; say $cities . WHAT# Array() say @cities . WHAT# Array()

41. Number Of Elements

say length @cities ;# 3 say elems@cities ;#3 # no length

42. elems Is A Method Too

say length @cities ;# 3 say@cities . elems ;# 3

43. On A Scalar Too

say scalar@$cities ;# 3 say$cities . elems ;#3

44. Content From Scalar

say @$cities ;# roma ... say$cities ;#roma ...

45. Scalar Context

say @cities ;# roma ... say$( @cities ) ;#roma ...

46. Scalar Context

say @cities ;# roma ... sayitem( @cities ) ;#roma ...

47. Numeric Context

say scalar @cities ;# 3 say+ @cities ;#3

48. Numeric Context

say scalar @$cities ;# 3 say+ $cities ;#3

49. Boolean Context

say values @cities ;# romami... say? @cities ;#Bool::True

50. String Context

say @cities ;# roma milano say~ @cities ;#roma milano ...

51. . Became ~

say @cities ;# roma milano say... ~ @cities ;# ...roma mila..

52. Works in P6 Too

say @cities ; # roma milano turino say@cities ; #roma milano turino?

53. Not Quite

say @cities ;# roma milano ... say@cities ;#@cities

54. Add []

say @cities ;# roma milano say@cities[] ; #roma milano ...

55. Was No Special Case

say @cities ;# roma milano say@cities [] ; #roma milano ...

56. Perl 5 & 6

say@cities ;# romamilanoturino say@cities ;# roma milano turino

57. When Data Gets Deeper 58. STD Perl 5

use Data::Dumper ; say Dumper ( @cities );

59. $VAR1 = 2;$VAR2 = 3; $VAR3 = 4; $VAR4 = 5; $VAR5 = 6; $VAR6 = 7; $VAR7 = 7; $VAR8 = 2; $VAR9 = 5; $VAR10 = [ 'a', 'b', 'c' ];[2, 3, 4, 5, 6, 7, 7, 2, 5, ["a", "b", "c"]] Data::DumperO utput 60. $VAR1 = 2;$VAR2 = 3; $VAR3 = 4; $VAR4 = 5; $VAR5 = 6; $VAR6 = 7; $VAR7 = 7; $VAR8 = 2; $VAR9 = 5; $VAR10 = [ 'a', 'b', 'c' ];[2, 3, 4, 5, 6, 7, 7, 2, 5, ["a", "b", "c"]] Too Wordy 61. He Fixed That

use YAML ;#Data::Dumpersucks say Dump@cities ;

62. --- - 2 - 3 - 4 - 5 - 6 - 7 - 7 - 2 - 5 - - a - b - c [2, 3, 4, 5, 6, 7, 7, 2, 5, ["a", "b", "c"]] YAML O utput 63. --- - 2 - 3 - 4 - 5 - 6 - 7 - 7 - 2 - 5 - - a - b - c [2, 3, 4, 5, 6, 7, 7, 2, 5, ["a", "b", "c"]] He Did It Shorter 64. Perl 6

say@cities . perl ;

65. Perl 6

# works to any depth say@cities . perl ; $ ["roma", "milano", "turino"]

66. Perl 5

say$cities [ 2 ];# turino

67. Perl 6

say$cities [ 2 ];# turino say@cities [ 2 ];# turino

68. Array In A Scalar

say$cities [ 2 ];# Perl 6 too say@cities [ 2 ];# turino

69. Same Container Type

$cities = [ 'roma' , 'milano' , 'turino' ]; say$cities [ 2 ];# $cities.WHAT say@cities [ 2 ];# @cities.WHAT

70. Array Objects

say$cities [ 2 ];# Array() say@cities [ 2 ];# Array()

71. Say Is Just A Method

say$cities [ 2 ];# turino @cities [ 2 ]. say ;# too

72. [ ] Too (Like Any Op)

say$cities .[ 2 ];#2 is a parameter @cities .[ 2 ]. say ;# too

73. 2 == Last Index

say$cities [ 2 ];# turino say@cities [ 2 ];# too

74. Perl 5

say$cities [ -1 ];# turino say@cities [ 2 ];# too

75. Perl 6

say$cities [ -1 ];# turino say@cities [* -1 ];# too

76. Whatever *

say$cities [ -1 ];# turino say@cities [*- 1 ];# too #parameter closure with 1 argument

77. Whatever *

say$cities [ -1 ];# turino say@cities [* /2 ]; # milano

78. Whatever *

say$cities [ -1 ];# turino say@cities [*];# roma milano turino

79. Whatever *

say$cities [ -1 ];# turino say@cities [];# roma milano turino # defaults to *

80. LoL

say@cities [ 1 ][ 1 ];

81. List Of List

@cities= [< roma .. >], [< berlin .. >]; say@cities [ 1 ][ 1 ]; say$cities [ 1 ; 1 ];

82. Let's Play A Game 83. Count the Smurfs 84. Count 85. Count

How many elements does this list have?

86. Round 1 87. How Many Elements ?

my@number=1 ,2 ,3 ,4 ;

88. How Many Elements ?

my@number=1 ,2 ,3 ,4 ;# 4 my@number= ( 1 ,2 ,3 ,4 );

89. How Many Elements ?

my@number=1 ,2 ,3 ,4 ;# 4 my@number= ( 1 ,2 ,3 ,4 );# 4 my@number=1 , ( 2 ,3 ),4 ;

90. How Many Elements ?

my@number=1 ,2 ,3 ,4 ;# 4 my@number= ( 1 ,2 ,3 ,4 );# 4 my@number=1 , ( 2 ,3 ),4 ;# 4 my@number=1 , [ 2 ,3 ],4 ;

91. How Many Elements ?

my@number=1 ,2 ,3 ,4 ;# 4 my@number= ( 1 ,2 ,3 ,4 );# 4 my@number=1 , ( 2 ,3 ),4 ;# 4 my@number=1 , [ 2 ,3 ],4 ;# 3 my@number= [ 1 ,2 ,3 ,4 ];

92. How Many Elements ?

my@number=1 ,2 ,3 ,4 ;# 4 my@number= ( 1 ,2 ,3 ,4 );# 4 my@number=1 , ( 2 ,3 ),4 ;# 4 my@number=1 , [ 2 ,3 ],4 ;# 3 my@number= [ 1 ,2 ,3 ,4 ];# 1 mysub1 ,( 2 ,[ 3 ,4 ]),5 ;# in @_

93. How Many Elements ?

my@number=1 ,2 ,3 ,4 ;# 4 my@number= ( 1 ,2 ,3 ,4 );# 4 my@number=1 , ( 2 ,3 ),4 ;# 4 my@number=1 , [ 2 ,3 ],4 ;# 3 my@number= [ 1 ,2 ,3 ,4 ];# 1 mysub1 ,( 2 ,[ 3 ,4 ]),5 ;# 4 # all between name & ;

94. Round 2 95. How Many Elements ?

my$number=1 ,2 ,3 ,4 ;

96. How Many Elements ?

my$number=1 ,2 ,3 ,4 ;# 1 my$number= ( 1 ,2 ,3 ,4 );

97. How Many Elements ?

my$number=1 ,2 ,3 ,4 ;# 1 my$number= ( 1 ,2 ,3 ,4 );# 4 my$number=1 , ( 2 ,3 ),4 ;

98. How Many Elements ?

my$number=1 ,2 ,3 ,4 ;# 1 my$number= ( 1 ,2 ,3 ,4 );# 4 my$number=1 , ( 2 ,3 ),4 ;# 1 my$number= ( 1 ,2 ),3 ,4 ;

99. How Many Elements ?

my$number=1 ,2 ,3 ,4 ;# 1 my$number= ( 1 ,2 ,3 ,4 );# 4 my$number=1 , ( 2 ,3 ),4 ;# 1 my$number= ( 1 ,2 ),3 ,4 ;# 2 my$number= ( 1 , [ 2 ,3 ],4 );

100. How Many Elements ?

my$number=1 ,2 ,3 ,4 ;# 1 my$number= ( 1 ,2 ,3 ,4 );# 4 my$number=1 , ( 2 ,3 ),4 ;# 1 my$number= ( 1 ,2 ),3 ,4 ;# 2 my$number= ( 1 , [ 2 ,3 ],4 );# 3 my$number= [ 1 ,2 ,3 ,4 ];

101. How Many Elements ?

my$number=1 ,2 ,3 ,4 ;# 1 my$number= ( 1 ,2 ,3 ,4 );# 4 my$number=1 , ( 2 ,3 ),4 ;# 1 my$number= ( 1 ,2 ),3 ,4 ;# 2 my$number= ( 1 , [ 2 ,3 ],4 );# 3 my$number= [ 1 ,2 ,3 ,4 ];# 4

102. Round 3 103. How Many Elements ?

my$pd = my@pd= ( 3 ,1 ,4 ,1 );

104. How Many Elements ?

my$pd = my@pd= ( 3 ,1 ,4 ,1 ); @number=1 , @pd ,4 ;

105. How Many Elements ?

my$pd = my@pd= ( 3 ,1 ,4 ,1 ); @number=1 ,@pd ,4 ;# 6 @number=1 ,$pd ,4 ;

106. How Many Elements ?

my$pd = my@pd= ( 3 ,1 ,4 ,1 ); @number=1 ,@pd ,4 ;# 6 @number=1 ,$pd ,4 ;# 3 @number=1 ,@pd . item , 4 ;

107. item & list = Conext Ops

my$pd = my@pd= ( 3 ,1 ,4 ,1 ); @number=1 ,@pd ,4 ;# 6 @number=1 ,$pd ,4 ;# 3 @number=1 ,@pd . item , 4 ;# 3 @number=1 ,$pd . list ,4 ;

108. Nil = Nothing

my$pd = my@pd= ( 3 ,1 ,4 ,1 ); @number=1 ,@pd ,4 ;# 6 @number=1 ,$pd ,4 ;# 3 @number=1 ,@pd . item , 4 ;# 3 @number=1 ,$pd . list ,4 ;# 6 @number=Nil ,Nil ,Nil ;

109. Nil = Nothing

my$pd = my@pd= ( 3 ,1 ,4 ,1 ); @number=1 ,@pd ,4 ;# 6 @number=1 ,$pd ,4 ;# 3 @number=1 ,@pd . item , 4 ;# 3 @number=1 ,$pd . list ,4 ;# 6 @number=Nil ,Nil ,Nil ;# 0

110. And The Winner Is ... 111. Perl 5

@digits = (4) x5 ;# (4,4,4,4,4)

112. Perl 6

@digits = (4) x5 ;# (4,4,4,4,4) @digits =4xx5 ;# 4,4,4,4,4

113. Multiply Strings

@digits =4x5 ;# '44444' @digits =4x5 ;# '44444'

114. Multiply Strings

@digits =4x5 ;# '44444' @digits = ( 4 ) x5 ;# '44444'

115. Multiply Strings

@digits ='1 2' x3 ;# '1 21 21 2' @digits = ( 1 , 2 ) x3 ;# '1 21 21 2'

116. Multiply Lists

@digits = ( 1 , 2 ) x3 ;#1,2,1,2,1,2 @digits = ( 1 , 2 ) xx3 ;#1,2,1,2,1,2

117. Perl 5

@digits = (0..9);# range op

118. Perl 5 & 6

@digits = (0..9);

119. Perl 6

@digits =0..9 ;

120. Perl 6

@digits = ^10 ;# 0 .. 9

121. 0 Is Given

@digits =0..^10 ;# 0 .. 9

122. ^ Excludes The Range

@digits =-1^..^10 ;# 0 .. 9

123. Sequence Operator

@digits =0...9 ;

124. Linear

@digits =0...9 ;# 0 .. 9

125. Arithmetic

@digits =0...9 ;# 0 .. 9 @odd =1 , 39 ;# 1,3,5,7,9

126. Geometric

@digits =0...9 ;# 0 .. 9 @odd =1 , 39 ;# 1,3,5,7,9 @bin =1 , 2 , 41024 ; #..,8,16,32,.

127. Fibonacci

@digits =0...9 ;# 0 .. 9 @odd =1 , 39 ;# 1,3,5,7,9 @bin =1 , 2 , 41024 ; #..,8,16,32,. @fib =0 , 1 ,*+* 144 ;#..,1,2,3,..

128. Watch Your Limit

@odd =1 , 310 ;# 1,3,.. *

129. Infinite List

@odd =1 , 310 ;# 1,3,.. * @number =0.. *;# 0 .. Inf

130. Certain Elements

@odd =1 , 310 ;# 1,3,.. * @number =0.. *;# 0 .. Inf say @odd [ 1 ];# 3 say @number [ 5 ];# 4

131. All Elements

@odd =1 , 310 ;# 1,3,.. * @number =0.. *;# 0 .. Inf say @odd [*];# waiting ... say @number ;# lots of digits

132. Number Of Elements

@odd =1 , 310 ;# 1,3,.. * @number =0.. *;# 0 .. Inf say +@odd ;# waiting ... say @number ;# lots of digits

133. What Happened?

$number =0.. *;# 0 .. Inf say $number . WHAT ; # Range()

134. Guess Output?

$number =0.. *;# 0 .. Inf say $number ;# ?

135. First Element

$number =0.. *;# 0 .. Inf say $number ;# 0

136. Infinite List

$number =0.. *;# 0 .. Inf say @( $number );# digits ...

137. Array

@number =0.. *;# 0 .. Inf say @number [ 5 ];

138. Generates As Needed

@number =0.. *;# 0 .. Inf say @number [ 5 ];# @number.reify(5)

139. Internal Representation

@number =0.. *;# 0 .. Inf say @number . reify ( 5 ). perl ; # (0, 1, 2, 3, 4, 5, 6..*)

140. You Know These

shiftunshift pushpopsplicereverse mapgrep

141. Perl 5

%opera = ( 'verdi'=>'Aida' , 'puccini'=>'Turandot' , 'rossini' =>'Il barbiere' , );

142. Perl 6

%opera = ( 'verdi'=>'Aida' , 'puccini'=>'Turandot' , 'rossini' =>'Il barbiere' , );

143. No Grouping Needed

%opera = 'verdi'=>'Aida' , 'puccini'=>'Turandot' , 'rossini' =>'Il barbiere' , ;

144. Still Hash Object

%opera ='verdi'=>'Aida' , 'puccini'=>'Turandot' , 'rossini' =>'Il barbiere' , ; %opera . WHAT eq 'Hash()'

145. New Pair Syntax

%opera = : verdi ( 'Aida' ), : puccini ( 'Turandot' ), : rossini ( 'Il barbiere' ), ; %opera . WHAT eq 'Hash()'

146. With Autoquoting

%opera =: verdi < Aida >, : puccini < Turandot >, : rossini < Il barbiere >, ; %opera . WHAT eq 'Hash()'

147. Item Context

$opera =: verdi < Aida >, : puccini < Turandot >, : rossini < Il barbiere >, ; $opera . WHAT eq 'Pair()'

148. With Grouping

$opera =( : verdi < Aida >, : puccini < Turandot >, : rossini < Il barbiere >, ); %opera . WHAT eq 'Parcel()'

149. Parcel Know Positions

$opera =( : verdi < Aida >, : puccini < Turandot >, : rossini < Il barbiere >, ); 0 verdi Aida 1 puccini Turandot 2 rossini Il barbiere

150. Hash Context Op

$opera =%( : verdi < Aida >, : puccini < Turandot >, : rossini < Il barbiere >, ); %opera . WHAT eq 'Hash()'

151. Hash Context Op

$opera =hash( : verdi < Aida >, : puccini < Turandot >, : rossini < Il barbiere >, ); %opera . WHAT eq 'Hash()'

152. Hash Generator Op

$opera ={ : verdi < Aida >, : puccini < Turandot >, : rossini < Il barbiere >, }; %opera . WHAT eq 'Hash()'

153. Hash Generator Op

%opera ={ : verdi < Aida >, : puccini < Turandot >, : rossini < Il barbiere >, }; %opera . WHAT eq 'Hash()'

154. Invariant Sigils

%opera { 'rossini' };# Il barbiere

155. Invariant Sigils

%opera .{ 'rossini' };# alias .at_key()

156. Remember qw() ?

%opera { 'rossini' };# Il barbiere %opera < rossini >;

157. With Interpolation

%opera { 'rossini' };# Il barbiere %opera < rossini >;%opera >;

158. Get 2 Operas

%opera { 'rossini' ,'puccini' }; %opera < rossini puccini >;%opera >;

159. Also Just Hashes

$opera { 'rossini' ,'puccini' }; $opera < rossini puccini >;$opera >;

160. Works On Parcel() Too

$opera { 'rossini' ,'puccini' }; $opera < rossini puccini >;$opera >;

161. Hash Methods

%opera . keys ;# verdi puccini ro... %opera . values ;# aida turandot ... %opera . kv ;# verdi aida puccini ...

162. On Arrays Too

@cities . keys ;# 0 1 2 @cities . values ;# roma milano ... @cities . kv ;# 0 roma 1 milano 2 ...

163. On Pairs

$opera . key ;# rossini $opera . value ;# Il barbiere $opera . kv ;#

164. Other Hash Methods

%opera . pairs ;# list of pair obj. %opera . exists ;# Bool %opera . delete ;# 1 | 0

165. Other Methods

%opera . pairs ;# list of pair obj. %opera . exists ;# one at a time %opera . delete ;# one at a time

166. Hash In Context

?%opera ;# bool context +%opera ;# num context ~%opera ;# string context

167. Hash In Context

?%opera ;# Bool::True +%opera ;# 3 ~%opera ;# rossini Il barbiere

168. Value In Context

?%opera ;# Bool::True +%opera ;# 3 ~%opera ;# rossini Il barbiere

169. New Hash Method

say%opera . invert ; Aidaverdi Turandotpuccini Il barbiererossini

170. Hash Generator

my%h=@cities . classify( {uc substr ($_ , 0 , 1) } ); say %h ; $ Rroma Mmilano Tturino

171. Hash Generator

@cities . categorize ({catsub ( $_ ) }); say %h . perl ;

172. Hash Generator

@cities . categorize ({water ( $_ ) }); say %h . perl ; {"mare" => ["roma"], "fiume" => ["roma", "milano", "turino"], "lago" => Nil}

173. ==>

Pipes

174. Schwartz. Transform

@results =map{},sort{},map{...},@input ;

175. Schwartz. Transform

@results =map{},sort{},map{...},@input ; @results =map{} > [ ] [ ] X Z S

182. Hyperoperator

>>

183. Hyperoperator

>> .hyper()

184. Simple Example

( 1 .. 5 ) >>++

185. That Works

@number >>++

186. Result

@number >>++ 2 ,3 ,4 ,5 ,6

187. More Complicated

( 1 .. 5 ) >>+>> 1

188. Check Your Spaces

(1..5) _ >>+>> _ 1

189. Same Result

( 1 .. 5 ) >>+>> 1 2 ,3 ,4 ,5 ,6

190. Reverse Hyper

( 1 .. 5 ) 1

195. Preserves LoL !

( 1 .. 5 , [ 6 .. 9 ]) >>+>> 1 2 ,3 ,4 ,5 ,6 , [ 7 ,8 ,9 , 10 ]

196. On 2 Sides ?

( 1 .. 5 , [ 6 .. 9 ]) >>+>+>+>+ < 1a 2b 3c 4d 5e 6f ...>

225. Zip

for @aZ@b -> $a ,$b{

226. Zip

( 1 .. 4 ) Z+ ( 1 .. 4 )

227. Zip

( 1 .. 4 ) Z+ ( 1 .. 4 ) 2 ,4 ,6 ,8

228. Metaops

>> [ ] [ ] X Z S

229. Sequence

.sequence S

230. __END__ ? 231. =begin END 232. Thank You