28 lines
618 B
Go
28 lines
618 B
Go
package byteutil
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import (
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"unsafe"
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)
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// Copy returns a copy of []byte.
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func Copy(b []byte) []byte {
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if b == nil {
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return nil
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}
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p := make([]byte, len(b))
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copy(p, b)
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return p
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}
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// B2S returns a string representation of []byte without allocation.
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// Since Go strings are immutable, the bytes passed to String must
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// not be modified as long as the returned string value exists.
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func B2S(b []byte) string {
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return unsafe.String(unsafe.SliceData(b), len(b))
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}
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// S2B returns a []byte representation of string without allocation.
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func S2B(s string) []byte {
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return unsafe.Slice(unsafe.StringData(s), len(s))
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}
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