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