29 lines
603 B
Go
29 lines
603 B
Go
package utf8
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import (
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"io"
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)
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type runeWriter interface {
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WriteRune(rune) (int, error)
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}
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var _ runeWriter = WrapRuneWriter(nil)
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// RuneWriter writes a single UTF-8 encoded Unicode characters.
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type RuneWriter struct {
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writer io.Writer
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}
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// WrapRuneWriter wraps an io.Writer and returns a RuneWriter.
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func WrapRuneWriter(writer io.Writer) RuneWriter {
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return RuneWriter{
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writer: writer,
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}
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}
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// WriteRune writes a single UTF-8 encoded Unicode character and returns the number of bytes written.
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func (receiver RuneWriter) WriteRune(r rune) (int, error) {
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return WriteRune(receiver.writer, r)
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}
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