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gotosocial/vendor/github.com/mailru/easyjson/jlexer/bytestostr.go

25 lines
768 B
Go

// This file will only be included to the build if neither
// easyjson_nounsafe nor appengine build tag is set. See README notes
// for more details.
//+build !easyjson_nounsafe
//+build !appengine
package jlexer
import (
"reflect"
"unsafe"
)
// bytesToStr creates a string pointing at the slice to avoid copying.
//
// Warning: the string returned by the function should be used with care, as the whole input data
// chunk may be either blocked from being freed by GC because of a single string or the buffer.Data
// may be garbage-collected even when the string exists.
func bytesToStr(data []byte) string {
h := (*reflect.SliceHeader)(unsafe.Pointer(&data))
shdr := reflect.StringHeader{Data: h.Data, Len: h.Len}
return *(*string)(unsafe.Pointer(&shdr))
}