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langs a-z

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Ingy döt Net 2013-04-10 22:43:41 -07:00
parent db842d013d
commit d066446780
11389 changed files with 98361 additions and 1020 deletions
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17
Task/Forward-difference/Slate/forward-difference-1.slate Normal file
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s@(Sequence traits) forwardDifference
[
s allButFirst with: s allButLast collect: #- `er
].
s@(Sequence traits) forwardDifference
"Without creating two intermediate throwaway Sequences."
[
result ::= s allButFirst.
result doWithIndex: [| :nextValue :index | result at: index infect: [| :oldValue | oldValue - (s at: index)].
result
].
s@(Sequence traits) forwardDifference: n
[
(0 below: n) inject: s into: [| :seq :_ | seq forwardDifference]
].

2
Task/Forward-difference/Slate/forward-difference-2.slate Normal file
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#data := ##(90 47 58 29 22 32 55 5 55 73).
data keysDo: [| :index | inform: (data forwardDifference: index) printString].