From 2b1fc2772dc4d99ad732a43751fb5627f327abc8 Mon Sep 17 00:00:00 2001
From: Andrew Gallant <jamslam@gmail.com>
Date: Sun, 18 Mar 2018 08:57:27 -0400
Subject: [PATCH] regex-debug: add character count

This adds a total character count to the output of the utf8-ranges
sub-command.
---
 regex-debug/src/main.rs | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/regex-debug/src/main.rs b/regex-debug/src/main.rs
index 64b55a5906..5d4c49e1f6 100644
--- a/regex-debug/src/main.rs
+++ b/regex-debug/src/main.rs
@@ -222,20 +222,20 @@ fn cmd_utf8_ranges(args: &Args) -> Result<()> {
             format!("unexpected HIR, expected Unicode class").into(),
         ),
     };
+    let mut char_count = 0;
     for (i, range) in cls.iter().enumerate() {
         if i > 0 {
             println!("----------------------------");
         }
+        char_count += (range.end() as u32) - (range.start() as u32) + 1;
         for seq in Utf8Sequences::new(range.start(), range.end()) {
-            for (i, utf8_range) in seq.into_iter().enumerate() {
-                if i > 0 {
-                    print!("|");
-                }
+            for utf8_range in seq.into_iter() {
                 print!("[{:02X}-{:02X}]", utf8_range.start, utf8_range.end);
             }
             println!();
         }
     }
+    println!("codepoint count: {}", char_count);
     Ok(())
 }