Add doc to a function

diff --git a/ch2-str-simple-pattern/src/main.rs b/ch2-str-simple-pattern/src/main.rs
index b09af0a..51fccf0 100644 (file)
--- a/ch2-str-simple-pattern/src/main.rs
+++ b/ch2-str-simple-pattern/src/main.rs
@@ -43,13 +43,26 @@ fn main() {
     }
 }
 
+/**
+Process text lines from the given reader and try to find the given pattern.
+*(This is just an example of inline documentation)*
+
+# Some random XML code
+
+``` xml
+<?xml version="1.0" encoding="UTF-8"?>
+<abc>
+   <asd />
+</abc>
+```
+*/
 fn process_lines<T: BufRead + Sized>(reader: T, pattern_re: Regex) {
     for (i, line_result) in reader.lines().enumerate() {
         match line_result {
             Ok(line) => {
                 let contains_substring = pattern_re.find(&line);
                 match contains_substring {
-                    Some(_) => println!("Found \"{}\" at line number {}", pattern_re, i + 1),
+                    Some(_) => println!("Found \"{}\" in line number {}", pattern_re, i + 1),
                     None => (),
                 }
             },