mirror of
https://github.com/chrislusf/seaweedfs
synced 2024-06-26 04:18:59 +02:00
31 lines
621 B
Go
31 lines
621 B
Go
package sqltypes
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import (
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"reflect"
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"unsafe"
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)
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// BytesToString casts slice to string without copy
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func BytesToString(b []byte) (s string) {
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if len(b) == 0 {
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return ""
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}
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bh := (*reflect.SliceHeader)(unsafe.Pointer(&b))
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sh := reflect.StringHeader{Data: bh.Data, Len: bh.Len}
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return *(*string)(unsafe.Pointer(&sh))
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}
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// StringToBytes casts string to slice without copy
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func StringToBytes(s string) []byte {
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if len(s) == 0 {
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return []byte{}
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}
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sh := (*reflect.StringHeader)(unsafe.Pointer(&s))
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bh := reflect.SliceHeader{Data: sh.Data, Len: sh.Len, Cap: sh.Len}
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return *(*[]byte)(unsafe.Pointer(&bh))
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}
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