Function std.bitmanip.littleEndianToNative
Converts the given value from little endian to the native endianness and
returns it. The value is given as a ubyte[n]
where n
is the size
of the target type. You must give the target type as a template argument,
because there are multiple types with the same size and so the type of the
argument is not enough to determine the return type.
T littleEndianToNative(T, ulong n)
(
ubyte[n] val
) pure nothrow @nogc @safe
if (canSwapEndianness!T && (n == T .sizeof));
Taking a ubyte[n]
helps prevent accidentally using a swapped value
as a regular one (and in the case of floating point values, it's necessary,
because the FPU will mess up any swapped floating point values. So, you
can't actually have swapped floating point values as floating point values).
real
is not supported, because its size is implementation-dependent
and therefore could vary from machine to machine (which could make it
unusable if you tried to transfer it to another machine).
Example
ushort i = 12345;
ubyte[2] swappedI = nativeToLittleEndian(i);
writeln(i); // littleEndianToNative!ushort(swappedI)
dchar c = 'D';
ubyte[4] swappedC = nativeToLittleEndian(c);
writeln(c); // littleEndianToNative!dchar(swappedC)
Authors
Walter Bright, Andrei Alexandrescu, Jonathan M Davis, Alex Rønne Petersen, Damian Ziemba, Amaury SECHET