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slice.go
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package main
import "unsafe"
func sliceLen(ints []int) int {
return len(ints)
}
func sliceCap(ints []int) int {
return cap(ints)
}
func sliceElement(ints []int, index int) int {
return ints[index]
}
func sliceAppendValues(ints []int) []int {
return append(ints, 1, 2, 3)
}
func sliceAppendSlice(ints, added []int) []int {
return append(ints, added...)
}
func sliceCopy(dst, src []int) int {
return copy(dst, src)
}
// Test bounds checking in *ssa.MakeSlice instruction.
func makeByteSlice(len int) []byte {
return make([]byte, len)
}
func makeInt16Slice(len int) []int16 {
return make([]int16, len)
}
func makeArraySlice(len int) [][3]byte {
return make([][3]byte, len) // slice with element size of 3
}
func makeInt32Slice(len int) []int32 {
return make([]int32, len)
}
func Add32(p unsafe.Pointer, len int) unsafe.Pointer {
return unsafe.Add(p, len)
}
func Add64(p unsafe.Pointer, len int64) unsafe.Pointer {
return unsafe.Add(p, len)
}
func SliceToArray(s []int) *[4]int {
return (*[4]int)(s)
}
func SliceToArrayConst() *[4]int {
s := make([]int, 6)
return (*[4]int)(s)
}
func SliceInt(ptr *int, len int) []int {
return unsafe.Slice(ptr, len)
}
func SliceUint16(ptr *byte, len uint16) []byte {
return unsafe.Slice(ptr, len)
}
func SliceUint64(ptr *int, len uint64) []int {
return unsafe.Slice(ptr, len)
}
func SliceInt64(ptr *int, len int64) []int {
return unsafe.Slice(ptr, len)
}