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22 lines
427 B
Go
22 lines
427 B
Go
package helper
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import (
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"reflect"
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"unsafe"
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)
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// BytesToString 没有内存开销的转换
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func BytesToString(b []byte) string {
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return *(*string)(unsafe.Pointer(&b))
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}
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// StringToBytes 没有内存开销的转换
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func StringToBytes(s string) (b []byte) {
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bh := (*reflect.SliceHeader)(unsafe.Pointer(&b))
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sh := (*reflect.StringHeader)(unsafe.Pointer(&s))
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bh.Data = sh.Data
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bh.Len = sh.Len
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bh.Cap = sh.Len
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return b
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}
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