feat: scaffold crate structure and implement core macros

Add the project skeleton, LICENSE files, README, Makefile, doc
examples, and the initial implementation of `#[func]`, `invoke!`,
and `select!` procedural macros.

1 files changed, 36 insertions, 0 deletions

diff --git a/test/src/test_func.rs b/test/src/test_func.rs
new file mode 100644
index 0000000..71fe365
--- /dev/null
+++ b/test/src/test_func.rs
@@ -0,0 +1,36 @@
+#[might_be_async::func]
+fn identity(x: i32) -> i32 {
+    x
+}
+
+#[cfg(not(feature = "metadata_async"))]
+#[test]
+fn test_func_identity() {
+    assert_eq!(identity(42), 42);
+}
+
+#[might_be_async::func]
+fn first<T: PartialEq + Clone>(a: T, _b: T) -> T
+where
+    T: std::fmt::Debug,
+{
+    a.clone()
+}
+
+#[cfg(not(feature = "metadata_async"))]
+#[test]
+fn test_func_generic() {
+    assert_eq!(first(1, 2), 1);
+    assert_eq!(first("a", "b"), "a");
+}
+
+#[might_be_async::func("custom_ft")]
+fn triple(x: i32) -> i32 {
+    x * 3
+}
+
+#[cfg(not(feature = "metadata_async"))]
+#[test]
+fn test_func_custom_feature() {
+    assert_eq!(triple(3), 9);
+}