use size_t;
use ffi;
/// Returns `true` iff `a` and `b` contain the same bytes.
///
/// This operation takes an amount of time dependent on the length of the two
/// arrays given, but is independent of the contents of a and b.
///
/// # Failure
///
/// This function will panic the current task if `a` and `b` do not have the same
/// length.