Data commit

Task/Call-a-foreign-language-function/Rust/call-a-foreign-language-function.rust

@@ -0,0 +1,13 @@
+extern crate libc;
+
+//c function that returns the sum of two integers
+extern {
+    fn add_input(in1: libc::c_int, in2: libc::c_int) -> libc::c_int;
+}
+
+fn main() {
+    let (in1, in2) = (5, 4);
+    let output = unsafe {
+        add_input(in1, in2) };
+    assert!( (output == (in1 + in2) ),"Error in sum calculation") ;
+}