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Programming-Idioms

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  • Haskell

Idiom #78 "do while" loop

Execute a block once, then execute it again as long as boolean condition c is true.

doowhile c b = do a <- b; if c a
                          then doowhile c b
                          else return a

doowhile (=="") getLine
gg
loop
   stuff();
   if not c then
      exit;
   end if;
end loop;

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