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Word wrap: Difference between revisions

add Standard ML
(Added Wren)
(add Standard ML)
Line 5,194:
ddddd
</pre>
 
=={{header|Standard ML}}==
<lang sml>fun wordWrap n s =
let
fun appendLine (line, text) =
text ^ line ^ "\n"
fun wrap (word, prev as (line, text)) =
if size line + 1 + size word > n
then (word, appendLine prev)
else (line ^ " " ^ word, text)
in
case String.tokens Char.isSpace s of
[] => ""
| (w :: ws) => appendLine (foldl wrap (w, "") ws)
end
 
val () = (print o wordWrap 72 o TextIO.inputAll) TextIO.stdIn</lang>
{{in}}
<pre>Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore
magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo
consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur.
Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.</pre>
{{out}}
<pre>Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod
tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim
veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea
commodo consequat. Duis aute irure dolor in reprehenderit in voluptate
velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint
occaecat cupidatat non proident, sunt in culpa qui officia deserunt
mollit anim id est laborum.</pre>
 
=={{header|Tcl}}==
559

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