Explain use of debug\! in tutorial

danluu · danluu · commit 7373c64a4c0c · 2013-04-17T11:51:43.000-04:00
diff --git 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`

Original file line number	Diff line number	Diff line change
`@@ -1669,6 +1669,9 @@ do spawn {`
`1669`	`1669`	`}`
`1670`	`1670`	`~~~~`
`1671`	`1671`
	`1672`	+If you want to see the output of `debug!` statements, you will need to turn on `debug!` logging.
	`1673`	+To enable `debug!` logging, set the RUST_LOG environment variable to `debug` (e.g., with bash, `export RUST_LOG=debug`)
	`1674`	`+`
`1672`	`1675`	`## For loops`
`1673`	`1676`
`1674`	`1677`	The most common way to express iteration in Rust is with a `for`