Add go-to-rust via cgo. Dynamic and static variants.

go-to-rust-cgo-static/src/double.go

@@ -0,0 +1,15 @@
+package main
+
+//#cgo LDFLAGS: -L${SRCDIR}/../target/debug -ldouble_input -ldl
+//#include <stdint.h>
+//extern int32_t double_input(int32_t input);
+import "C"
+import (
+        "fmt"
+)
+
+func main() {
+    input  := 2
+    double := C.double_input(C.int32_t(input))
+    fmt.Printf("%d * 2 = %d\n", input, double)
+}