zig

commit 583ca36e62fc13b38348f9c42bbfb9ddd9fceaa0 (tree)
parent c03a76414717274d02280fdaaaceff1ef4151d07
Author: Josh Wolfe <thejoshwolfe@gmail.com>
Date:   Wed, 27 Sep 2017 18:54:43 -0700

add reset() method to IncrementingAllocator (#501)


Diffstat:
M
std/mem.zig
 | 
4
++++

1 file changed, 4 insertions(+), 0 deletions(-)
diff --git a/std/mem.zig b/std/mem.zig
@@ -94,6 +94,10 @@ pub const IncrementingAllocator = struct {
         _ = os.posix.munmap(self.bytes.ptr, self.bytes.len);
     }
 
+    fn reset(self: &IncrementingAllocator) {
+        self.end_index = 0;
+    }
+
     fn alloc(allocator: &Allocator, n: usize, alignment: usize) -> %[]u8 {
         const self = @fieldParentPtr(IncrementingAllocator, "allocator", allocator);
         const addr = @ptrToInt(&self.bytes[self.end_index]);