From a345a27b78b64ac6597ce87714c631a343537857 Mon Sep 17 00:00:00 2001
From: Henry Schimke <henry@azule.info>
Date: Fri, 30 Dec 2022 09:00:53 -0600
Subject: [PATCH] move applicable copy_from_slice to copy_within

---
 src/oned/code_128_reader.rs                  | 4 ++--
 src/oned/code_93_reader.rs                   | 4 ++--
 src/oned/itf_reader.rs                       | 4 ++--
 src/oned/rss/expanded/rss_expanded_reader.rs | 4 ++--
 src/oned/rss/rss_14_reader.rs                | 6 +++---
 src/oned/upc_ean_reader.rs                   | 4 ++--
 6 files changed, 13 insertions(+), 13 deletions(-)

diff --git a/src/oned/code_128_reader.rs b/src/oned/code_128_reader.rs
index 003375d..e30ed88 100644
--- a/src/oned/code_128_reader.rs
+++ b/src/oned/code_128_reader.rs
@@ -405,8 +405,8 @@ impl Code128Reader {
                         return Ok([patternStart, i, bestMatch as usize]);
                     }
                     patternStart += (counters[0] + counters[1]) as usize;
-                    let slc = &counters[2..(counterPosition - 1 + 2)].to_vec();
-                    counters[0..(counterPosition - 1)].copy_from_slice(slc);
+                    
+                    counters.copy_within(2..(counterPosition - 1 + 2), 0);
                     // System.arraycopy(counters, 2, counters, 0, counterPosition - 1);
                     counters[counterPosition - 1] = 0;
                     counters[counterPosition] = 0;
diff --git a/src/oned/code_93_reader.rs b/src/oned/code_93_reader.rs
index 3de8c74..e66e11c 100644
--- a/src/oned/code_93_reader.rs
+++ b/src/oned/code_93_reader.rs
@@ -171,8 +171,8 @@ impl Code93Reader {
                         return Ok([patternStart, i]);
                     }
                     patternStart += (theCounters[0] + theCounters[1]) as usize;
-                    let slc = &theCounters[2..(counterPosition - 1 + 2)].to_vec();
-                    theCounters[0..(counterPosition - 1)].copy_from_slice(slc);
+                    
+                    theCounters.copy_within(2..(counterPosition - 1 + 2), 0);
                     // System.arraycopy(theCounters, 2, theCounters, 0, counterPosition - 1);
                     theCounters[counterPosition - 1] = 0;
                     theCounters[counterPosition] = 0;
diff --git a/src/oned/itf_reader.rs b/src/oned/itf_reader.rs
index 4f375d7..ec30bab 100644
--- a/src/oned/itf_reader.rs
+++ b/src/oned/itf_reader.rs
@@ -384,8 +384,8 @@ impl ITFReader {
                         return Ok([patternStart, x]);
                     }
                     patternStart += (counters[0] + counters[1]) as usize;
-                    let slc = &counters[2..(counterPosition - 1 + 2)].to_vec();
-                    counters[..(counterPosition - 1)].copy_from_slice(slc);
+                    
+                    counters.copy_within(2..(counterPosition - 1 + 2), 0);
                     // System.arraycopy(counters, 2, counters, 0, counterPosition - 1);
                     counters[counterPosition - 1] = 0;
                     counters[counterPosition] = 0;
diff --git a/src/oned/rss/expanded/rss_expanded_reader.rs b/src/oned/rss/expanded/rss_expanded_reader.rs
index 2fac737..8f7661f 100644
--- a/src/oned/rss/expanded/rss_expanded_reader.rs
+++ b/src/oned/rss/expanded/rss_expanded_reader.rs
@@ -803,8 +803,8 @@ impl RSSExpandedReader {
 
         // Make 'counters' hold 1-4
         let mut counters = self.decodeFinderCounters;
-        let slc = counters[..counters.len() - 1].to_vec();
-        counters[1..].copy_from_slice(&slc);
+        let counters_len = counters.len();
+        counters.copy_within(..counters_len - 1, 1);
         // System.arraycopy(counters, 0, counters, 1, counters.length - 1);
 
         counters[0] = firstCounter as u32;
diff --git a/src/oned/rss/rss_14_reader.rs b/src/oned/rss/rss_14_reader.rs
index d613b61..6baa7e7 100644
--- a/src/oned/rss/rss_14_reader.rs
+++ b/src/oned/rss/rss_14_reader.rs
@@ -464,10 +464,10 @@ impl RSS14Reader {
         }
         firstElementStart += 1;
         let firstCounter = startEnd[0] - firstElementStart as usize;
-        let mut counters = &mut self.decodeFinderCounters;
+        let  counters = &mut self.decodeFinderCounters;
         let counter_len = counters.len();
-        let slc = counters[0..counter_len - 1].to_vec();
-        counters[1..counter_len].copy_from_slice(&slc);
+        
+        counters.copy_within(..counter_len - 1, 1);
         // Make 'counters' hold 1-4
         // let counters = self.getDecodeFinderCounters();
         // System.arraycopy(counters, 0, counters, 1, counters.length - 1);
diff --git a/src/oned/upc_ean_reader.rs b/src/oned/upc_ean_reader.rs
index 1a5cd42..4ca58dc 100644
--- a/src/oned/upc_ean_reader.rs
+++ b/src/oned/upc_ean_reader.rs
@@ -442,8 +442,8 @@ pub trait UPCEANReader: OneDReader {
                         return Ok([patternStart, x]);
                     }
                     patternStart += (counters[0] + counters[1]) as usize;
-                    let slc = &counters[2..(counterPosition - 1 + 2)].to_vec();
-                    counters[..(counterPosition - 1)].copy_from_slice(slc);
+                    
+                    counters.copy_within(2..(counterPosition - 1 + 2), 0);
                     // System.arraycopy(counters, 2, counters, 0, counterPosition - 1);
                     counters[counterPosition - 1] = 0;
                     counters[counterPosition] = 0;