Merge pull request #151 from zicklag/patch-2

[Docs] Add Cargo Expand to Macro Debugging Tips
2020-08-12 18:50:03 -07:00 · 2020-08-12 18:50:03 -07:00 · 090c06c55a
commit 090c06c55a
parent d488d4e308 968fdbba9b
1 changed files with 4 additions and 2 deletions
--- a/docs/debugging.md
+++ b/docs/debugging.md
@ -2,5 +2,7 @@

 ## Macro Debugging

-* Print the final output of a macro using ```cargo rustc --profile=check -- -Zunstable-options --pretty=expanded```
-* Print output during macro compilation using ```eprintln!("hi");```
+- Print the final output of a macro using `cargo rustc --profile=check -- -Zunstable-options --pretty=expanded`
+  - Alternatively you could install and use [cargo expand](https://github.com/dtolnay/cargo-expand) which adds syntax highlighting to the terminal output.
+    - Additionally get pager by piping to `less` ( on Unix systems ): `cargo expand --color always | less -R`
+- Print output during macro compilation using `eprintln!("hi");`