tests and optional arguments

tests/src/lib.rs

@@ -0,0 +1,53 @@
+use std::fmt::Debug;
+
+use ivory::externs::printf;
+use ivory::PhpVal;
+use ivory::{ivory_export, ivory_module};
+
+fn dump<T: Debug>(arg: T) {
+    printf(format!("{:?}", arg));
+}
+
+#[ivory_export]
+fn dump_arg(arg: PhpVal) {
+    dump(arg);
+}
+
+#[ivory_export]
+fn expect_long(arg: i64) {
+    dump(arg);
+}
+
+#[ivory_export]
+fn expect_double(arg: f64) {
+    dump(arg);
+}
+
+#[ivory_export]
+fn expect_string(arg: String) {
+    dump(arg);
+}
+
+#[ivory_export]
+fn expect_bool(arg: bool) {
+    dump(arg);
+}
+
+#[ivory_export]
+fn expect_option_bool(arg: Option<bool>) {
+    dump(arg);
+}
+
+ivory_module!({
+    name: "tests",
+    version: "0.0.1",
+    functions: &[
+        dump_arg,
+        expect_long,
+        expect_double,
+        expect_string,
+        expect_bool,
+        expect_option_bool
+    ],
+    info: &[("test extension", "enabled")]
+});