Document that closing two times doesn't do anything
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ftp.go
1
ftp.go
@ -537,6 +537,7 @@ func (r *Response) Read(buf []byte) (int, error) {
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}
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// Close implements the io.Closer interface on a FTP data connection.
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// After the first call, Close will do nothing and return nil.
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func (r *Response) Close() error {
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if r.closed {
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return nil
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