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-rw-r--r--erts/emulator/beam/erl_bif_op.c12
1 files changed, 8 insertions, 4 deletions
diff --git a/erts/emulator/beam/erl_bif_op.c b/erts/emulator/beam/erl_bif_op.c
index adac0052d6..37dd6457db 100644
--- a/erts/emulator/beam/erl_bif_op.c
+++ b/erts/emulator/beam/erl_bif_op.c
@@ -36,6 +36,7 @@
#include "dist.h"
#include "erl_version.h"
#include "erl_binary.h"
+#include "erl_map.h"
BIF_RETTYPE and_2(BIF_ALIST_2)
{
@@ -321,7 +322,10 @@ BIF_RETTYPE is_record_3(BIF_ALIST_3)
BIF_RET(am_false);
}
-
-
-
-
+BIF_RETTYPE is_map_1(BIF_ALIST_1)
+{
+ if (is_map(BIF_ARG_1)) {
+ BIF_RET(am_true);
+ }
+ BIF_RET(am_false);
+}