RosettaCodeData/Task/ABC-problem/CLU/abc-problem.clu

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ucase = proc (s: string) returns (string)
rslt: array[char] := array[char]$predict(1,string$size(s))
for c: char in string$chars(s) do
if c>='a' & c<='z' then
c := char$i2c(char$c2i(c) - 32)
end
array[char]$addh(rslt,c)
end
return(string$ac2s(rslt))
end ucase
abc = proc (s: string) returns (bool)
own collection: sequence[string] := sequence[string]$
["BO","XK","DQ","CP","NA","GT","RE","TG","QD","FS",
"JW","HU","VI","AN","OB","ER","FS","LY","PC","ZM"]
blocks: array[string] := sequence[string]$s2a(collection)
for c: char in string$chars(ucase(s)) do
begin
for i: int in array[string]$indexes(blocks) do
if string$indexc(c, blocks[i]) ~= 0 then
blocks[i] := ""
exit found
end
end
return(false)
end
except when found: end
end
return(true)
end abc
start_up = proc ()
po: stream := stream$primary_output()
words: sequence[string] := sequence[string]$
["A", "BARK", "BOOK", "TREAT", "COMMON", "SQUAD", "CONFUSE"]
for word: string in sequence[string]$elements(words) do
stream$puts(po, word || ": ")
if abc(word) then stream$putl(po, "yes")
else stream$putl(po, "no")
end
end
end start_up