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Merge pull request #129 from benbjohnson/127-array-write-fix

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Avoid array write if length is zero.
This commit is contained in:
tgruben 2016-10-26 14:51:21 -05:00 • committed by GitHub
commit a5502e207e
1 changed files with 4 additions and 0 deletions
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4
roaring/roaring.go
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@ -1006,6 +1006,10 @@ func (c *container) WriteTo(w io.Writer) (n int64, err error) {
}
func (c *container) arrayWriteTo(w io.Writer) (n int64, err error) {
if len(c.array) == 0 {
return 0, nil
}
nn, err := w.Write((*[0xFFFFFFF]byte)(unsafe.Pointer(&c.array[0]))[:4*c.n])
return int64(nn), err
}