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¶
FastBytes
FastBytes is a go package for translating between slices with fixed-size integers/floats and byte slices.
Supported Types
Floats and all signed/unsigned integers except uint and int can be translated by this package.
uint and int are not supported since their size is platform dependent.
Usage
Usage of assembly code
This package uses assembly for copying data on certain platforms.
To disable the usage of assembly set the purego build tag when building.
Usage of unsafe.Pointer
This package uses the unsafe package to covert between slice/array types and to extract pointers from interface{} values. To disable the usage of unsafe set the no_unsafe build tag when building. Note that this also disabled the usage of assembly.
Documentation
¶
Index ¶
Constants ¶
View Source
const ( // ErrShort the given source is too short to fill destination // or the given destination is too short to contain all bytes. ErrShort = errors.Error("bytes: source/destination is too short") // ErrUnsupported the given type is not supported. // All signed and unsigned intergers except uint and int, and floats are supported // uint and int are unsupported since their size is platform dependent. ErrUnsupported = errors.Error("bytes: unsupported target/source type") // ErrUnadressable the give reflect.Value cannot be addressed ErrUnadressable = errors.Error("bytes: un-addressable value") )
Variables ¶
View Source
var ( // BigEndian copies bytes to and from big endian byte slices BigEndian = bytes{/* contains filtered or unexported fields */} // LittleEndian copies bytes to and from little endian byte slices LittleEndian = bytes{/* contains filtered or unexported fields */} )
Functions ¶
This section is empty.
Types ¶
type ByteOrder ¶
type ByteOrder interface {
// FromI8 converts and copies bytes from `src` into `dst`.
// This returns an error if src is longer than dst
FromI8(src []int8, dst []byte) (n int, err error)
// FromI16 converts and copies []int16 from `src` into `dst`.
// This returns an error if src is longer than dst
FromI16(src []int16, dst []byte) (n int, err error)
// FromU16 converts and copies []uint16 from `src` into `dst`.
// This returns an error if src is longer than dst
FromU16(src []uint16, dst []byte) (n int, err error)
// FromI32 converts and copies []int32 from `src` into `dst`.
// This returns an error if src is longer than dst
FromI32(src []int32, dst []byte) (n int, err error)
// FromU32 converts and copies []uint32 from `src` into `dst`.
// This returns an error if src is longer than dst
FromU32(src []uint32, dst []byte) (n int, err error)
// FromF32 converts and copies []float32 from `src` into `dst`.
// This returns an error if src is longer than dst
FromF32(src []float32, dst []byte) (n int, err error)
// FromI64 converts and copies []int64 from `src` into `dst`.
// This returns an error if src is longer than dst
FromI64(src []int64, dst []byte) (n int, err error)
// FromU64 converts and copies []int64 from `src` into `dst`.
// This returns an error if src is longer than dst
FromU64(src []uint64, dst []byte) (n int, err error)
// FromF64 converts and copies []float64 from `src` into `dst`.
// This returns an error if src is longer than dst
FromF64(src []float64, dst []byte) (n int, err error)
// ToI8 converts ans copies bytes from `src` into `dst`
// This returns an error if src is longer than dst
ToI8(src []byte, dst []int8) (n int, err error)
// ToI16 converts ans copies bytes form `src` into `dst`
// This returns an error if src is longer than `len(dst)*2`
ToI16(src []byte, dst []int16) (n int, err error)
// ToU16 converts ans copies bytes from `src` into `dst`
// This returns an error if src is longer than `len(dst)*2`
ToU16(src []byte, dst []uint16) (n int, err error)
// ToI32 converts ans copies bytes from `src` into `dst`
// This returns an error if src is longer than `len(dst)*4`
ToI32(src []byte, dst []int32) (n int, err error)
// ToU32 converts ans copies bytes from `src` into `dst`
// This returns an error if src is longer than `len(dst)*4`
ToU32(src []byte, dst []uint32) (n int, err error)
// ToF32 converts ans copies bytes from `src` into `dst`
// This returns an error if src is longer than `len(dst)*4`
ToF32(src []byte, dst []float32) (n int, err error)
// ToI64 converts ans copies bytes from `src` into `dst`
// This returns an error if src is longer than `len(dst)*8`
ToI64(src []byte, dst []int64) (n int, err error)
// ToU64 converts ans copies bytes from `src` into `dst`
// This returns an error if src is longer than `len(dst)*8`
ToU64(src []byte, dst []uint64) (n int, err error)
// ToU64 converts ans copies bytes from `src` into `dst`
// This returns an error if src is longer than `len(dst)*8`
ToF64(src []byte, dst []float64) (n int, err error)
// To copies bytes from `s` into the given slice.
// The given interface must be a type that can be safely written to.
// `d` must be large enough to fit all the bytes in `s`.
To(src []byte, dst interface{}) (n int, err error)
// From copies bytes from the given interface.
// The provided interface must be a type that can be safely copied.
// The given slice must be large enough to fit all the bytes in `s`
From(src interface{}, dst []byte) (n int, err error)
// ToValue copies bytes from `src` into the given value
// The given interface must be a type that can be safely written to.
// `d` must be large enough to fit all the bytes in `src`
ToValue(src []byte, dst reflect.Value) (n int, err error)
// FromValue copies bytes from the given value.
// The provided value must be a type that can be safely converted to bytes.
// The given slice must be large enough to fit all bytes in `s`
FromValue(src reflect.Value, dst []byte) (n int, err error)
}
ByteOrder the byteorder
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