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//go:build !go1.20
// +build !go1.20
package json
import (
"reflect"
"unsafe"
)
//go:linkname unsafe_NewArray reflect.unsafe_NewArray
func unsafe_NewArray(rtype unsafe.Pointer, length int) unsafe.Pointer
//go:linkname typedslicecopy reflect.typedslicecopy
//go:noescape
func typedslicecopy(elemType unsafe.Pointer, dst, src slice) int
func extendSlice(t reflect.Type, s *slice, n int) slice {
elemTypeRef := t.Elem()
elemTypePtr := ((*iface)(unsafe.Pointer(&elemTypeRef))).ptr
d := slice{
data: unsafe_NewArray(elemTypePtr, n),
len: s.len,
cap: n,
}
typedslicecopy(elemTypePtr, d, *s)
return d
}
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