more partial function removal

Left a few Prelude.head's in where it was checked not null and too hard to
remove, etc.
This commit is contained in:
Joey Hess 2011-12-15 18:11:42 -04:00
parent b7e0d39abb
commit 95d2391f58
24 changed files with 73 additions and 78 deletions

View file

@ -51,7 +51,7 @@ parseCmd argv cmds options header = check $ getOpt Permute options argv
check (_, [], []) = err "missing command"
check (flags, name:rest, [])
| null matches = err $ "unknown command " ++ name
| otherwise = (flags, head matches, rest)
| otherwise = (flags, Prelude.head matches, rest)
where
matches = filter (\c -> name == cmdname c) cmds
check (_, _, errs) = err $ concat errs