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diff --git a/exercises/21_macros/macros2.rs b/exercises/21_macros/macros2.rs
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+// macros2.rs
+//
+// Execute `rustlings hint macros2` or use the `hint` watch subcommand for a
+// hint.
+
+// I AM NOT DONE
+
+fn main() {
+ my_macro!();
+}
+
+macro_rules! my_macro {
+ () => {
+ println!("Check out my macro!");
+ };
+}