Function std::intrinsics::size_of

pub unsafe extern "rust-intrinsic" fn size_of<T>() -> usize

Unstable (core_intrinsics)

: intrinsics are unlikely to ever be stabilized, instead they should be used through stabilized interfaces in the rest of the standard library

The size of a type in bytes.

More specifically, this is the offset in bytes between successive items of the same type, including alignment padding.