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-rw-r--r--lib/cString.ml9
-rw-r--r--lib/pp.ml11
2 files changed, 18 insertions, 2 deletions
diff --git a/lib/cString.ml b/lib/cString.ml
index 250b7cee2d..e9006860fd 100644
--- a/lib/cString.ml
+++ b/lib/cString.ml
@@ -135,7 +135,14 @@ let plural n s = if n<>1 then s^"s" else s
let conjugate_verb_to_be n = if n<>1 then "are" else "is"
let ordinal n =
- let s = match n mod 10 with 1 -> "st" | 2 -> "nd" | 3 -> "rd" | _ -> "th" in
+ let s =
+ if (n / 10) mod 10 = 1 then "th"
+ else match n mod 10 with
+ | 1 -> "st"
+ | 2 -> "nd"
+ | 3 -> "rd"
+ | _ -> "th"
+ in
string_of_int n ^ s
(* string parsing *)
diff --git a/lib/pp.ml b/lib/pp.ml
index cc56e5e8d7..76046a7f91 100644
--- a/lib/pp.ml
+++ b/lib/pp.ml
@@ -517,8 +517,17 @@ let pr_arg pr x = spc () ++ pr x
let pr_opt pr = function None -> mt () | Some x -> pr_arg pr x
let pr_opt_no_spc pr = function None -> mt () | Some x -> pr x
+(** TODO: merge with CString.ordinal *)
let pr_nth n =
- int n ++ str (match n mod 10 with 1 -> "st" | 2 -> "nd" | 3 -> "rd" | _ -> "th")
+ let s =
+ if (n / 10) mod 10 = 1 then "th"
+ else match n mod 10 with
+ | 1 -> "st"
+ | 2 -> "nd"
+ | 3 -> "rd"
+ | _ -> "th"
+ in
+ int n ++ str s
(* [prlist pr [a ; ... ; c]] outputs [pr a ++ ... ++ pr c] *)