diff options
Diffstat (limited to 'library/goptions.ml')
| -rw-r--r-- | library/goptions.ml | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/library/goptions.ml b/library/goptions.ml index dfb3c0e69..9dc0f4058 100644 --- a/library/goptions.ml +++ b/library/goptions.ml @@ -247,7 +247,7 @@ let get_locality = function | Some false -> OptGlobal | None -> OptDefault -let declare_option cast uncast append +let declare_option cast uncast append ?(preprocess = fun x -> x) { optsync=sync; optdepr=depr; optname=name; optkey=key; optread=read; optwrite=write } = check_key key; let default = read() in @@ -275,10 +275,11 @@ let declare_option cast uncast append subst_function = subst_options; discharge_function = discharge_options; classify_function = classify_options } in - (fun l m v -> Lib.add_anonymous_leaf (options (l, m, v))) + (fun l m v -> let v = preprocess v in Lib.add_anonymous_leaf (options (l, m, v))) else (fun _ m v -> - match m with + let v = preprocess v in + match m with | OptSet -> write v | OptAppend -> write (append (read ()) v)) in |