Add temporary hash function.

examples/hashtest.rs

@@ -0,0 +1,22 @@
+use unshell::hash;
+
+macro_rules! hashtest {
+    ($input:tt) => {
+        ($input, hash($input))
+    };
+}
+
+const MAP: [(&'static str, u32); 6] = [
+    hashtest!("abc123"),
+    hashtest!("abc124"),
+    hashtest!("abc125"),
+    hashtest!("abc122"),
+    hashtest!("somethingelse"),
+    hashtest!("org.io.abc1234"),
+];
+
+pub fn main() {
+    for (a, b) in MAP {
+        println!("unshell::hash(\"{}\") = {}", a, b)
+    }
+}