3 files changed, 154 insertions, 0 deletions
diff --git a/examples/example-hook/Cargo.lock b/examples/example-hook/Cargo.lock
new file mode 100644
index 0000000..b6717bb
--- /dev/null
+++ b/examples/example-hook/Cargo.lock
@@ -0,0 +1,76 @@
+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+version = 4
+
+[[package]]
+name = "example-hook"
+version = "0.1.0"
+dependencies = [
+ "mingling",
+]
+
+[[package]]
+name = "just_fmt"
+version = "0.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5454cda0d57db59778608d7a47bff5b16c6705598265869fb052b657f66cf05e"
+
+[[package]]
+name = "mingling"
+version = "0.1.9"
+dependencies = [
+ "mingling_core",
+ "mingling_macros",
+]
+
+[[package]]
+name = "mingling_core"
+version = "0.1.9"
+dependencies = [
+ "just_fmt",
+]
+
+[[package]]
+name = "mingling_macros"
+version = "0.1.9"
+dependencies = [
+ "just_fmt",
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
+[[package]]
+name = "proc-macro2"
+version = "1.0.106"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8fd00f0bb2e90d81d1044c2b32617f68fcb9fa3bb7640c23e9c748e53fb30934"
+dependencies = [
+ "unicode-ident",
+]
+
+[[package]]
+name = "quote"
+version = "1.0.45"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "41f2619966050689382d2b44f664f4bc593e129785a36d6ee376ddf37259b924"
+dependencies = [
+ "proc-macro2",
+]
+
+[[package]]
+name = "syn"
+version = "2.0.117"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e665b8803e7b1d2a727f4023456bbbbe74da67099c585258af0ad9c5013b9b99"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "unicode-ident",
+]
+
+[[package]]
+name = "unicode-ident"
+version = "1.0.24"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e6e4313cd5fcd3dad5cafa179702e2b244f760991f45397d14d4ebf38247da75"
diff --git a/examples/example-hook/Cargo.toml b/examples/example-hook/Cargo.toml
new file mode 100644
index 0000000..453fae6
--- /dev/null
+++ b/examples/example-hook/Cargo.toml
@@ -0,0 +1,7 @@
+[package]
+name = "example-hook"
+version = "0.1.0"
+edition = "2024"
+
+[dependencies]
+mingling = { path = "../../mingling" }
diff --git a/examples/example-hook/src/main.rs b/examples/example-hook/src/main.rs
new file mode 100644
index 0000000..373c76d
--- /dev/null
+++ b/examples/example-hook/src/main.rs
@@ -0,0 +1,71 @@
+//! Example Hook
+//!
+//! > This example demonstrates how to use Mingling's hook system to obtain debugging information during program execution
+//!
+//! Run:
+//! ```base
+//! cargo run --manifest-path examples/example-hook/Cargo.toml --quiet -- greet Alice
+//! ```
+//!
+//! Output:
+//! ```plaintext
+//! [DEBUG] Program is begin
+//! [DEBUG] Pre dispatch: ["greet", "Alice"]
+//! [DEBUG] Post dispatch: EntryGreet
+//! [DEBUG] Pre chain: EntryGreet
+//! [DEBUG] Post chain: ResultName
+//! [DEBUG] Pre render: ResultName
+//! [DEBUG] Post render
+//! [DEBUG] Program end
+//! Hello, Alice!
+//! ```
+
+use mingling::{hook::ProgramHook, prelude::*};
+
+dispatcher!("greet", CMDGreet => EntryGreet);
+
+fn main() {
+    let mut program = ThisProgram::new();
+
+    // --------- IMPORTANT ---------
+    program.with_hook(
+        ProgramHook::<ThisProgram>::empty()
+            .on_begin(|| println!("[DEBUG] Program is begin"))
+            .on_pre_dispatch(|args| println!("[DEBUG] Pre dispatch: {:?}", args))
+            .on_post_dispatch(|c: &_| println!("[DEBUG] Post dispatch: {:?}", c))
+            .on_pre_chain(|c: &_, _| {
+                println!("[DEBUG] Pre chain: {}", c);
+            })
+            .on_post_chain(|any_output| println!("[DEBUG] Post chain: {}", any_output.member_id))
+            .on_finish(|| {
+                println!("[DEBUG] Loop end");
+                0 // Override exit code
+            })
+            .on_pre_render(|c: &_, _| println!("[DEBUG] Pre render: {}", c))
+            .on_post_render(|_| println!("[DEBUG] Post render")),
+    );
+    // --------- IMPORTANT ---------
+
+    program.with_dispatcher(CMDGreet);
+    program.exec_and_exit();
+}
+
+pack!(ResultName = String);
+
+#[chain]
+fn handle_greet(args: EntryGreet) -> Next {
+    let name: ResultName = args
+        .inner
+        .first()
+        .cloned()
+        .unwrap_or_else(|| "World".to_string())
+        .into();
+    name
+}
+
+#[renderer]
+fn render_name(name: ResultName) {
+    r_println!("Hello, {}!", *name);
+}
+
+gen_program!();