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Add a copyBackwards to fix the broken insert methods for ArrayList.

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Bas van den Berg
2018-07-13 23:01:21 +02:00
parent a1cafa650d
commit fe98a2da70
2 changed files with 20 additions and 2 deletions
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std/array_list.zig
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@@ -85,7 +85,7 @@ pub fn AlignedArrayList(comptime T: type, comptime A: u29) type {
try self.ensureCapacity(self.len + 1);
self.len += 1;
mem.copy(T, self.items[n + 1 .. self.len], self.items[n .. self.len - 1]);
mem.copyBackwards(T, self.items[n + 1 .. self.len], self.items[n .. self.len - 1]);
self.items[n] = item;
}
@@ -93,7 +93,7 @@ pub fn AlignedArrayList(comptime T: type, comptime A: u29) type {
try self.ensureCapacity(self.len + items.len);
self.len += items.len;
mem.copy(T, self.items[n + items.len .. self.len], self.items[n .. self.len - items.len]);
mem.copyBackwards(T, self.items[n + items.len .. self.len], self.items[n .. self.len - items.len]);
mem.copy(T, self.items[n .. n + items.len], items);
}