Explicitly ignore unused fields

diff --git a/compiler/src/exe/tigerc.ml b/compiler/src/exe/tigerc.ml
index 42fcf00..5468ff7 100644 (file)
--- a/compiler/src/exe/tigerc.ml
+++ b/compiler/src/exe/tigerc.ml
@@ -1,5 +1,5 @@
 let lexbuf_set_filename lb filename : unit =
-  let Lexing.({lex_start_p; lex_curr_p}) = lb in
+  let Lexing.({lex_start_p; lex_curr_p; _}) = lb in
   lb.Lexing.lex_start_p <- {lex_start_p with Lexing.pos_fname = filename};
   lb.Lexing.lex_curr_p  <- {lex_curr_p  with Lexing.pos_fname = filename}