Add static lib.

resources/examples/staticlib-test/add.c3

@@ -0,0 +1,19 @@
+module add;
+import std;
+struct Foo(Printable)
+{
+	int a;
+}
+
+fn usz! Foo.to_format(&self, Formatter* f) @dynamic
+{
+	return f.printf("Foo[%d]", self.a);
+}
+
+fn int add(int a, int b) @export("adder")
+{
+	io::printn("In adder");
+	Foo x = { a };
+	io::printfn("Print foo: %s", x);
+	return a + b;
+}

resources/examples/staticlib-test/test.c

@@ -0,0 +1,8 @@
+#include <stdio.h>
+extern int adder(int a, int b);
+
+int main()
+{
+	printf("%d\n", adder(1, 4));
+	return 0;
+}

resources/examples/staticlib-test/test.c3

@@ -0,0 +1,9 @@
+module add;
+import std;
+extern fn int adder(int a, int b);
+
+fn int main()
+{
+	io::printn(adder(1, 4));
+	return 0;
+}