prysm-pulse/encoding/bytesutil/bytes_legacy.go
kasey 0893821e35
Disable conditional go 1.20 code until module is also at 1.20 (#12084)
* disable conditional go 1.20 code until we upgrade

* bazel decided this was unreachable and removed it!

---------

Co-authored-by: kasey <kasey@users.noreply.github.com>
2023-03-07 16:25:35 +00:00

62 lines
1.6 KiB
Go

//go:build !prysmAt1.20
// +build !prysmAt1.20
package bytesutil
// These methods use copy() to convert a byte slice to a fixed size array.
// This approach is used for go1.19 and below.
// ToBytes4 is a convenience method for converting a byte slice to a fix
// sized 4 byte array. This method will truncate the input if it is larger
// than 4 bytes.
func ToBytes4(x []byte) [4]byte {
var y [4]byte
copy(y[:], x)
return y
}
// ToBytes20 is a convenience method for converting a byte slice to a fix
// sized 20 byte array. This method will truncate the input if it is larger
// than 20 bytes.
func ToBytes20(x []byte) [20]byte {
var y [20]byte
copy(y[:], x)
return y
}
// ToBytes32 is a convenience method for converting a byte slice to a fix
// sized 32 byte array. This method will truncate the input if it is larger
// than 32 bytes.
func ToBytes32(x []byte) [32]byte {
var y [32]byte
copy(y[:], x)
return y
}
// ToBytes48 is a convenience method for converting a byte slice to a fix
// sized 48 byte array. This method will truncate the input if it is larger
// than 48 bytes.
func ToBytes48(x []byte) [48]byte {
var y [48]byte
copy(y[:], x)
return y
}
// ToBytes64 is a convenience method for converting a byte slice to a fix
// sized 64 byte array. This method will truncate the input if it is larger
// than 64 bytes.
func ToBytes64(x []byte) [64]byte {
var y [64]byte
copy(y[:], x)
return y
}
// ToBytes96 is a convenience method for converting a byte slice to a fix
// sized 96 byte array. This method will truncate the input if it is larger
// than 96 bytes.
func ToBytes96(x []byte) [96]byte {
var y [96]byte
copy(y[:], x)
return y
}