Merge pull request #1113 from nkaretnikov/macros-fixes

frewsxcv · web-flow · commit a5ed6aac8560 · 2019-01-19T09:45:27.000-05:00
Minor fixes for the macros chapter
diff --git a/src/macros/dry.md b/src/macros/dry.md
@@ -57,7 +57,7 @@ mod test {
         }
     }
 
-    // Test `add_assign`, `mul_assign` and `sub_assign`
+    // Test `add_assign`, `mul_assign`, and `sub_assign`.
     test!(add_assign, 1u32, 2u32, 3u32);
     test!(mul_assign, 2u32, 3u32, 6u32);
     test!(sub_assign, 3u32, 2u32, 1u32);
diff --git a/src/macros/dsl.md b/src/macros/dsl.md
@@ -39,3 +39,6 @@ Output:
 This was a very simple example, but much more complex interfaces have been
 developed, such as [`lazy_static`](https://crates.io/crates/lazy_static) or
 [`clap`](https://crates.io/crates/clap).
+
+Also, note the two pairs of braces in the macro. The outer ones are
+part of the syntax of `macro_rules!`, in addition to `()` or `[]`.

Original file line number	Diff line number	Diff line change
`@@ -57,7 +57,7 @@ mod test {`
`57`	`57`	`}`
`58`	`58`	`}`
`59`	`59`
`60`		- // Test `add_assign`, `mul_assign` and `sub_assign`
	`60`	+ // Test `add_assign`, `mul_assign`, and `sub_assign`.
`61`	`61`	`test!(add_assign, 1u32, 2u32, 3u32);`
`62`	`62`	`test!(mul_assign, 2u32, 3u32, 6u32);`
`63`	`63`	`test!(sub_assign, 3u32, 2u32, 1u32);`