From ccd0fffcce5a0f47747bc30b31f8c2c37b3ef746 Mon Sep 17 00:00:00 2001
From: Patrick Walton <pcwalton@mimiga.net>
Date: Tue, 12 Jul 2011 16:36:47 -0700
Subject: [PATCH] stdlib: Implement str::split_ivec()

---
 src/lib/str.rs | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/src/lib/str.rs b/src/lib/str.rs
index 079c502b85f..8591ec6aecb 100644
--- a/src/lib/str.rs
+++ b/src/lib/str.rs
@@ -442,6 +442,21 @@ fn split(str s, u8 sep) -> vec[str] {
     ret v;
 }
 
+fn split_ivec(str s, u8 sep) -> str[] {
+    let str[] v = ~[];
+    let str accum = "";
+    let bool ends_with_sep = false;
+    for (u8 c in s) {
+        if (c == sep) {
+            v += ~[accum];
+            accum = "";
+            ends_with_sep = true;
+        } else { accum += unsafe_from_byte(c); ends_with_sep = false; }
+    }
+    if (str::byte_len(accum) != 0u || ends_with_sep) { v += ~[accum]; }
+    ret v;
+}
+
 fn concat(vec[str] v) -> str {
     let str s = "";
     for (str ss in v) { s += ss; }