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| author | Dan Luu <danluu@gmail.com> | 2013-04-17 11:51:43 -0400 |
|---|---|---|
| committer | Dan Luu <danluu@gmail.com> | 2013-04-17 11:51:43 -0400 |
| commit | 7373c64a4c0c7e72c8632be255d930d121481f1f (patch) | |
| tree | 5966558c3400a56ed25748efd3b50dc01a32a63c | |
| parent | 07e087bf310e7e7911bf05efa36a2cdb57855a4e (diff) | |
| download | rust-7373c64a4c0c7e72c8632be255d930d121481f1f.tar.gz rust-7373c64a4c0c7e72c8632be255d930d121481f1f.zip | |
Explain use of debug\! in tutorial
| -rw-r--r-- | doc/tutorial.md | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/doc/tutorial.md b/doc/tutorial.md index 18bc94bdba5..01dd76647f5 100644 --- a/doc/tutorial.md +++ b/doc/tutorial.md @@ -1669,6 +1669,9 @@ do spawn { } ~~~~ +If you want to see the output of `debug!` statements, you will need to turn on `debug!` logging. +To enable `debug!` logging, set the RUST_LOG environment variable to `debug` (e.g., with bash, `export RUST_LOG=debug`) + ## For loops The most common way to express iteration in Rust is with a `for` |