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-rw-r--r--src/test/test3.sail6
1 files changed, 6 insertions, 0 deletions
diff --git a/src/test/test3.sail b/src/test/test3.sail
index 6a88ced9..19a2d5d2 100644
--- a/src/test/test3.sail
+++ b/src/test/test3.sail
@@ -6,6 +6,9 @@ val ( nat -> nat effect { wmem , rmem } ) MEM
val ( nat -> nat effect { wmem , rmem } ) MEM_GPU
val ( ( nat * nat ) -> nat effect { wmem , rmem } ) MEM_SIZE
+(* extern function *)
+val extern ( nat -> nat pure ) add = "add"
+
function nat main _ = {
(* left-hand side function call = memory write *)
MEM(0) := 0;
@@ -24,4 +27,7 @@ function nat main _ = {
(* extra-parentheses are needed here *)
MEM_SIZE( (0,1) ) := 4;
MEM_SIZE( (0,1) );
+
+ (* extern calls *)
+ add(5);
}