34 lines
628 B
Go
34 lines
628 B
Go
package csv2lp
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import (
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"io"
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"log"
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)
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// multicloser
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type multiCloser struct {
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closers []io.Closer
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}
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// Close implements io.Closer to closes all nested closers and logs a warning on error
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func (mc *multiCloser) Close() error {
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var err error
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for i := 0; i < len(mc.closers); i++ {
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e := mc.closers[i].Close()
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if e != nil {
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if err == nil {
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err = e
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}
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log.Println(err)
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}
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}
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return err
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}
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//MultiCloser creates an io.Closer that silently closes supplied io.Closer instances
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func MultiCloser(closers ...io.Closer) io.Closer {
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c := make([]io.Closer, len(closers))
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copy(c, closers)
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return &multiCloser{c}
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}
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