From 893c758e1341469c7b68dda25a6a6b3306d4e932 Mon Sep 17 00:00:00 2001
From: ConnorSkees <39542938+ConnorSkees@users.noreply.github.com>
Date: Mon, 23 Mar 2020 14:11:06 -0400
Subject: [PATCH] string length is number of chars

---
 src/builtin/string.rs | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/builtin/string.rs b/src/builtin/string.rs
index 081fef6..1330781 100644
--- a/src/builtin/string.rs
+++ b/src/builtin/string.rs
@@ -70,7 +70,7 @@ pub(crate) fn register(f: &mut HashMap<String, Builtin>) {
                 Value::Ident(s, q) => (s, q),
                 v => return Err(format!("$string: {} is not a string.", v).into()),
             };
-            let str_len = string.len();
+            let str_len = string.chars().count();
             let start = match arg!(args, 1, "start-at") {
                 Value::Dimension(n, Unit::None) if n.is_decimal() => {
                     return Err(format!("{} is not an int.", n).into())
@@ -171,7 +171,7 @@ pub(crate) fn register(f: &mut HashMap<String, Builtin>) {
                 return Ok(Value::Ident(substr, quotes));
             }
 
-            let len = s1.len();
+            let len = s1.chars().count();
 
             // Insert substring at char position, rather than byte position
             let insert = |idx, s1: String, s2| {