Function safe_transmute::transmute_one

source ·
pub fn transmute_one<T: TriviallyTransmutable>(
    bytes: &[u8]
) -> Result<T, Error<'_, u8, T>>
Expand description

Transmute a byte slice into a single instance of a trivially transmutable type.

The byte slice must have at least enough bytes to fill a single instance of a type, extraneous data is ignored.

§Errors

An error is returned in one of the following situations:

  • The data does not have a memory alignment compatible with T. You will have to make a copy anyway, or modify how the data was originally made.
  • The data does not have enough bytes for a single value T.

§Examples

// Little-endian
assert_eq!(transmute_one::<u32>(&[0x00, 0x00, 0x00, 0x01])?, 0x0100_0000);