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34 lines
889 B
Go
34 lines
889 B
Go
package iotools
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import "io"
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// WriterFunc is a function signature which allows
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// a function to implement the io.Writer type.
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type WriterFunc func([]byte) (int, error)
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func (w WriterFunc) Write(b []byte) (int, error) {
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return w(b)
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}
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// WriterToFunc is a function signature which allows
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// a function to implement the io.WriterTo type.
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type WriterToFunc func(io.Writer) (int64, error)
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func (wt WriterToFunc) WriteTo(r io.Writer) (int64, error) {
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return wt(r)
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}
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// WriteCloser wraps an io.Writer and io.Closer in order to implement io.WriteCloser.
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func WriteCloser(w io.Writer, c io.Closer) io.WriteCloser {
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return &struct {
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io.Writer
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io.Closer
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}{w, c}
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}
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// NopWriteCloser wraps an io.Writer to implement io.WriteCloser with empty io.Closer implementation.
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func NopWriteCloser(w io.Writer) io.WriteCloser {
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return WriteCloser(w, CloserFunc(func() error {
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return nil
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}))
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}
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