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authorpmichaud <pmichaud@pobox.com>2012-08-28 00:36:53 -0500
committerpmichaud <pmichaud@pobox.com>2012-08-28 00:36:53 -0500
commitc012d8b882480151d8eb7da92c4cca80d1d9b814 (patch)
tree827354a3d38adfafe328ef55fa454147cc4af868 /skel/docs/cheatsheet.txt
parentc3ff6182252a634e2ce8167a8bd367932e858dd5 (diff)
Move skel/ into top-level directory, to try building directly from the repo.
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-Perl 6 cheat sheet v2 »ö«
-
-SIGILS MAJOR/MINOR CONTEXTS ACCESS ARRAYS HASHES
-$scalar item list sink whole: @array[] %hash{}
-@array Str flat/slice element: @array[0] %hash{'a'}
-%hash Num lazy/eager/hyper (or) %hash<a>
-&code Bool slice: @array[0,2] %hash{'a','b'}
- COMPOSERS (or) %hash<a b>
-TWIGILS [ ] array
-$normal-lexical { } block/hash AUTOMATIC DEREFERENCE
-$?compiler-constant < > quotewords &($foo)(1,2) == $foo(1,2)
-$*dynamic-or-global (,) parcel @($foo)[1] == $foo[1]
-$.public-accessor :() signature %($foo){'bar'} == $foo<bar>
-$!private-attribute \() capture @(@($foo)[1])[2] == $foo[1][2]
-$^positional-param
-$:named-parameter CONTROL SYNTAX
-$=pod-info for LIST { } # implicit $_ arg
-$<named-match-capture> for LIST -> $a, $b { } # explicit args
-$~slang-variable while/until EXPR { }
- repeat while/until EXPR { } # do at least once
-OPERATOR PRECEDENCE loop { } loop (a;b;c) { } # parens required!
-.method .[] i if EXPR { } elsif EXPR { } else { }
-++ -- unless EXPR { } # no else allowed!
-** given EXPR { when EXPR { } default { } }
-unary + - ~ ! ? ^ EXPR if EXPR for LIST; # list comprehension
-* / % %% div next, last, redo # loop controls
-+ - proceed, succeed # switch controls
-x xx TYPES
-~ Bool Bit Int Rat FatRat UInt Num Complex int32 complex64 etc.
-& Str Cat Blob Char Byte Codepoint Grapheme Buf buf8 buf32 utf8
-| ^ IO Mu Any Cool Junction Whatever Match
-sleep abs sin temp Parcel Capture Signature
-<=> leg cmp .. but SCOPE DECLARATORS Pair Range Set Bag
-~~ > == gt eq === eqv !op my lexical scope KeyHash KeySet KeyBag
-&& our package scope Scalar Array Hash Code
-|| ^^ // min max has instance scope Enum Order TrigBase
-??!! ff anon no scope at all Block Routine Sub
-= := op= => state persistent lexical Method Regex
-so not augment benign parasitic Failure Exception
-, : supersede deadly parasitic Instant Duration
-X Xop Z Zop ... Date DateTime
-say die map etc. OPERATOR DOMAINS
-and Numeric: == !==(!=) + < > <=> <= >=
-or xor Stringy: eq !eq(ne) ~ lt gt leg le ge
-<== ==> Value: eqv !eqv before after cmp !after !before
- ObjectID: === !===
-METAOPERATORS LINKS IRC
-[op] reduce listop to A op B op C... perl6.org #perl6 irc.freenode.net
-op= A = A op B rakudo.org #parrot irc.perl.org
-!op !(A op B)
-»op« hyper/vectorize REGEX METACHARS REGEX MODIFIERS
-Zop zip with op ^ $ string begin/end :i ignore case
-Xop cross with op ^^ $$ line begin/end :m ignore marks
-Rop reverse args + one or more :g global
-Sop sequentialize * zero or more :r ratchet
- ? zero or one :s sigspace
-SPECIAL VARIABLES **1..3 repeat in range :4th nth occurrence
-$_ current topic () capture to $0,$1 :4x n times
-$/ regex result [] no capture
-$! error object <foo> subrule REGEX CHARCLASSES
-@*ARGS command line <[]> character class . == anychar, \N non \n
-@*INC include path | parallel or \s == <space>, \S non
-%*ENV environment || serial or \d == <digit>, \D non
-$*PID process id « » word boundary \w == <+alpha+digit+[_]>