63 lines
1.9 KiB
Plaintext
63 lines
1.9 KiB
Plaintext
hello|
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define split<1> as [
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set {} -> list|
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set '' -> word|
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set 0 -> i|
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do [
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do [
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set variable list + {variable word;} -> list|
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set '' -> word|
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] else [
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set variable word + argument #1{variable i} -> word|
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] if argument #1{variable i} = ' '|
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set variable i + 1 -> i|
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] until variable i = do len<argument #1;>|
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do skip else set variable list + {variable word;} -> list if variable word = ''|
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return variable list|
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]|
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define is_number<1> as [
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set '0123456789' -> numbers|
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set 0 -> i|
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do [
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set 0 -> j|
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do [
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do skip else return false if argument #1{variable i} = variable numbers{variable j}|
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set variable j + 1 -> j|
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] until variable j = do len<variable numbers;>|
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set variable i + 1 -> i|
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] until variable i = do len<argument #1;>|
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return true|
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]|
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define calc<3> as [
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do return argument #2 + argument #3 if argument #1 = '+'|
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return 'error'|
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]|
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define unfold<1> as [
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do return 'error' if do len<argument #1;> = 0|
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set {} -> middle|
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set 1 -> i|
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do [
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set variable middle + {argument #1{variable i};} -> middle|
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set variable i + 1 -> i|
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] until variable i = do len<argument #1;> - 1|
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do return 'error' if do len<variable middle;> = 0|
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do [
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set variable middle{0} -> middle|
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do set do int<variable middle;> -> n1 else return 'error' if do "is_number"<variable middle;>|
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] else set do "unfold"<variable middle;> -> n1 if do len<variable middle;> = 1|
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do set do int<argument #1{do len<argument #1;>-1};> -> n2 else return 'error' if do "is_number"<argument #1{do len<argument #1;>-1};>|
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return do "calc"<argument #1{0}; variable n1; variable n2;>|
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]|
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set do input<':';> -> x|
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set do "split"<variable x;> -> list|
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do print<do "unfold"<variable list;>;>|
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goodbye| |