lib: Split collections into readable and writable

[nit.git] / lib / opts.nit

diff --git a/lib/opts.nit b/lib/opts.nit
index b9e5ceb..81b9a98 100644 (file)
--- a/lib/opts.nit
+++ b/lib/opts.nit
@@ -57,14 +57,14 @@ class Option
        # A pretty print for this help
        meth pretty(off: Int): String
        do
-               var text = "  "
+               var text = new Buffer.from("  ")
                text.append(_names.join(", "))
                text.append("  ")
                var rest = off - text.length
                if rest > 0 then text.append(" " * rest)
                text.append(helptext)
                #text.append(pretty_default)
-               return text
+               return text.to_s
        end
 
        meth pretty_default: String