Function allocative::size_of_unique

source · 
pub fn size_of_unique<T>(root: &T) -> usize
where
    T: Allocative,
Expand description

Size of a piece of data and data allocated in unique pointers in the struct.

  • Excludes shared pointers

§Example

use allocative::Allocative;

#[derive(Allocative)]
struct Foo {
    data: Vec<u8>,
}

assert_eq!(
    3 + std::mem::size_of::<Vec<u8>>(),
    allocative::size_of_unique(&Foo {
        data: vec![10, 20, 30]
    })
);