2 files changed, 31 insertions, 19 deletions
diff --git a/examples/example-error-handling/Cargo.lock b/examples/example-error-handling/Cargo.lock
index c9bddd8..d139c14 100644
--- a/examples/example-error-handling/Cargo.lock
+++ b/examples/example-error-handling/Cargo.lock
@@ -11,13 +11,13 @@ dependencies = [
 
 [[package]]
 name = "just_fmt"
-version = "0.1.2"
+version = "0.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5454cda0d57db59778608d7a47bff5b16c6705598265869fb052b657f66cf05e"
+checksum = "6170dccbc3ea15dfb7f2da964097f814aba1dd8f746d4ffc56f33245c38e6d96"
 
 [[package]]
 name = "mingling"
-version = "0.2.0"
+version = "0.3.0"
 dependencies = [
  "mingling_core",
  "mingling_macros",
@@ -25,14 +25,14 @@ dependencies = [
 
 [[package]]
 name = "mingling_core"
-version = "0.2.0"
+version = "0.3.0"
 dependencies = [
  "just_fmt",
 ]
 
 [[package]]
 name = "mingling_macros"
-version = "0.2.0"
+version = "0.3.0"
 dependencies = [
  "just_fmt",
  "proc-macro2",
diff --git a/examples/example-error-handling/src/main.rs b/examples/example-error-handling/src/main.rs
index ae79b97..de9792d 100644
--- a/examples/example-error-handling/src/main.rs
+++ b/examples/example-error-handling/src/main.rs
@@ -21,6 +21,7 @@
 //! ```
 
 use mingling::prelude::*;
+use std::io::Write;
 
 // In Mingling, instead of using ? to propagate errors upward,
 // errors are treated as branches that continue execution.
@@ -61,36 +62,47 @@ fn handle_hello(args: EntryHello) -> Next {
 
 /// Renders a successful greeting with the given name.
 #[renderer]
-fn render_result_name(name: ResultName) {
-    r_println!("Hello, {}", *name);
+fn render_result_name(name: ResultName) -> RenderResult {
+    let mut render_result = RenderResult::new();
+    writeln!(render_result, "Hello, {}", *name).ok();
+    render_result
 }
 
 /// Renders the error when no name is provided.
 #[renderer]
-fn render_error_no_name_provided(_: ErrorNoNameProvided) {
-    // Prompt when no name is provided
-    r_println!("No name provided");
+fn render_error_no_name_provided(_: ErrorNoNameProvided) -> RenderResult {
+    let mut render_result = RenderResult::new();
+    writeln!(render_result, "No name provided").ok();
+    render_result
 }
 
 /// Renders the error when the name is already taken.
 #[renderer]
-fn render_error_name_not_available(_: ErrorNameNotAvailable) {
-    // Prompt when name is already taken
-    r_println!("Name not available");
+fn render_error_name_not_available(_: ErrorNameNotAvailable) -> RenderResult {
+    let mut render_result = RenderResult::new();
+    writeln!(render_result, "Name not available").ok();
+    render_result
 }
 
 /// Renders the error when the name exceeds the maximum length.
 #[renderer]
-fn render_error_name_too_long(len: ErrorNameTooLong) {
-    // Prompt when name is too long, showing actual length
-    r_println!("Name too long: {} > 10", *len);
+fn render_error_name_too_long(len: ErrorNameTooLong) -> RenderResult {
+    let mut render_result = RenderResult::new();
+    writeln!(render_result, "Name too long: {} > 10", *len).ok();
+    render_result
 }
 
 /// Renders the error when the dispatcher (subcommand) is not found.
 #[renderer]
-fn render_dispatcher_not_found(err: ErrorDispatcherNotFound) {
-    // Prompt when command is not found, showing the input command
-    r_println!("Command not found: \"{}\"", err.inner.join(" "));
+fn render_dispatcher_not_found(err: ErrorDispatcherNotFound) -> RenderResult {
+    let mut render_result = RenderResult::new();
+    writeln!(
+        render_result,
+        "Command not found: \"{}\"",
+        err.inner.join(" ")
+    )
+    .ok();
+    render_result
 }
 
 gen_program!();