Writing macro_rules!
Macros · macros1
You are in macros, exercise macros1.
Goal: make this exercise compile and run.
Open the editor on the right, edit the code, and press Run. Reveal the Hint if you get stuck. Peek at the Solution as a last resort.
macros1.rsedition 2021 · bin
Output
Run your code to see compiler output here. Use ⌘↵ to run.