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-rw-r--r--src/OfJsonBasic.ml2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/OfJsonBasic.ml b/src/OfJsonBasic.ml
index 9dbd521d..07daf03d 100644
--- a/src/OfJsonBasic.ml
+++ b/src/OfJsonBasic.ml
@@ -26,7 +26,7 @@ let int_of_json (js : json) : (int, string) result =
let char_of_json (js : json) : (char, string) result =
match js with
| `String c ->
- if String.length c == 1 then Ok c.[0]
+ if String.length c = 1 then Ok c.[0]
else Error ("char_of_json: stricly more than one character in: " ^ show js)
| _ -> Error ("char_of_json: not a char: " ^ show js)