44 lines
830 B
Go
44 lines
830 B
Go
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package bytereader
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import (
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"io"
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)
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var _ io.ByteReader = &internalByteReaderFromString{}
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type internalByteReaderFromString struct {
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value string
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index int
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}
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// NewByteReaderFromString returns a new io.ByteReader from a string.
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//
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// Example usage:
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//
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// var s string = "ONCE 🙂 TWICE 🙂 THRICE 🙂 FOURCE"
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//
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// var byteReader io.ByteReader = bytereader.NewByteReaderFromString(s)
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func NewByteReaderFromString(value string) io.ByteReader {
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return &internalByteReaderFromString{
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value:value,
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}
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}
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func (receiver *internalByteReaderFromString) ReadByte() (byte, error) {
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if nil == receiver {
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return 0, errNilReceiver
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}
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var value string = receiver.value
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var index int = receiver.index
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if len(value) <= index {
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return 0, io.EOF
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}
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var b byte = receiver.value[index]
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receiver.index++
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return b, nil
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}
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