Update blocks.md (#235)

igor-petruk · web-flow · commit 581f5a40081a · 2023-01-23T12:03:06.000Z
Adding the important note about ";" in blocks.
diff --git a/src/control-flow/blocks.md b/src/control-flow/blocks.md
@@ -34,3 +34,5 @@ fn main() {
     println!("doubled: {}", double(7));
 }
 ```
+
+However if the last expression ends with `;`, then the resulting value and type is `()`.

Original file line number	Diff line number	Diff line change
`@@ -34,3 +34,5 @@ fn main() {`
`34`	`34`	`println!("doubled: {}", double(7));`
`35`	`35`	`}`
`36`	`36`	```
	`37`	`+`
	`38`	+However if the last expression ends with `;`, then the resulting value and type is `()`.