Initial commit.

src/rustzcash.rs

@@ -0,0 +1,16 @@
+extern crate libc;
+use libc::uint64_t;
+
+/// XOR two uint64_t values and return the result, used
+/// as a temporary mechanism for introducing Rust into
+/// Zcash.
+#[no_mangle]
+pub extern "system" fn librustzcash_xor(a: uint64_t, b: uint64_t) -> uint64_t
+{
+    a ^ b
+}
+
+#[test]
+fn test_xor() {
+	assert_eq!(librustzcash_xor(0x0f0f0f0f0f0f0f0f, 0x1111111111111111), 0x1e1e1e1e1e1e1e1e);
+}