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-rw-r--r--src/lem_interp/interp.lem4
1 files changed, 2 insertions, 2 deletions
diff --git a/src/lem_interp/interp.lem b/src/lem_interp/interp.lem
index bed1007b..fb7053b5 100644
--- a/src/lem_interp/interp.lem
+++ b/src/lem_interp/interp.lem
@@ -2116,7 +2116,7 @@ and interp_main mode t_level l_env l_mem (E_aux exp (l,annot)) =
| Just(funcls) ->
(match find_funcl t_level funcls v with
| [] ->
- (Error l ("No matching pattern for function " ^ name),l_mem,l_env)
+ (Error l ("No matching pattern for function " ^ name ^ " on value " ^ (string_of_value v)),l_mem,l_env)
| [(env,used_unknown,exp)] ->
resolve_outcome
(if mode.eager_eval
@@ -2135,7 +2135,7 @@ and interp_main mode t_level l_env l_mem (E_aux exp (l,annot)) =
| Just(funcls) ->
(match find_funcl t_level funcls v with
| [] ->
- (Error l ("No matching pattern for function " ^ name ),l_mem,l_env)
+ (Error l ("No matching pattern for function " ^ name ^ " on value " ^ (string_of_value v)),l_mem,l_env)
| [(env,used_unknown,exp)] ->
resolve_outcome
(if mode.eager_eval