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| author |  Joey Hess <joey@kitenet.net> | 2010-12-30 15:12:55 -0400 |
|---|---|---|
| committer | Joey Hess <joey@kitenet.net> | 2010-12-30 15:12:55 -0400 |
| commit | c274aadabcd1737e03003834dcf1f6bd9a79b0aa (patch) | |
| tree | 8732b25a961277c49157dadc93146bfd23d30651 /CmdLine.hs | |
| parent | a89a6f21145966e625b811741d8ae972a11d92b1 (diff) | |
remove magic numbers
Diffstat (limited to 'CmdLine.hs')
| -rw-r--r-- | CmdLine.hs | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/CmdLine.hs b/CmdLine.hs index 54c2289c6..3767fc240 100644 --- a/CmdLine.hs +++ b/CmdLine.hs @@ -57,9 +57,12 @@ usage header cmds options = cmddescs = unlines $ map (indent . showcmd) cmds showcmd c = cmdname c ++ - pad 11 (cmdname c) ++ + pad (commandlen + 1) (cmdname c) ++ cmdparams c ++ - pad 13 (cmdparams c) ++ + pad (commandparamlen + 2) (cmdparams c) ++ cmddesc c indent l = " " ++ l pad n s = replicate (n - length s) ' ' + longest l = foldl max 0 $ map length l + commandlen = longest $ map cmdname cmds + commandparamlen = longest $ map cmdparams cmds |