get-size2 0.11.0

Determine the size in bytes an object occupies inside RAM.
Documentation 
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use crate::{GetSize, GetSizeTracker};

macro_rules! impl_size_tuple {
    ($($t:ident, $T:ident),+) => {
        impl<$($T,)*> GetSize for ($($T,)*)
        where
            $(
                $T: GetSize,
            )*
        {
            #[allow(unused_mut, reason = "the macro supports a variadic number of elements")]
            #[expect(clippy::allow_attributes, reason = "the macro supports a variadic number of elements")]
            fn get_heap_size_with_tracker<Tr: GetSizeTracker>(&self, mut tracker: Tr) -> (usize, Tr) {
                let mut total = 0;
                let mut elem_size;

                let ($($t,)*) = self;
                $(
                    (elem_size, tracker) = <$T>::get_heap_size_with_tracker($t, tracker);
                    total += elem_size;
                )*

                (total, tracker)
            }
        }
    }
}

macro_rules! execute_tuple_macro_16 {
    ($name:ident) => {
        $name!(v1, V1);
        $name!(v1, V1, v2, V2);
        $name!(v1, V1, v2, V2, v3, V3);
        $name!(v1, V1, v2, V2, v3, V3, v4, V4);
        $name!(v1, V1, v2, V2, v3, V3, v4, V4, v5, V5);
        $name!(v1, V1, v2, V2, v3, V3, v4, V4, v5, V5, v6, V6);
        $name!(v1, V1, v2, V2, v3, V3, v4, V4, v5, V5, v6, V6, v7, V7);
        $name!(
            v1, V1, v2, V2, v3, V3, v4, V4, v5, V5, v6, V6, v7, V7, v8, V8
        );
        $name!(
            v1, V1, v2, V2, v3, V3, v4, V4, v5, V5, v6, V6, v7, V7, v8, V8, v9, V9
        );
        $name!(
            v1, V1, v2, V2, v3, V3, v4, V4, v5, V5, v6, V6, v7, V7, v8, V8, v9, V9, v10, V10
        );
        $name!(
            v1, V1, v2, V2, v3, V3, v4, V4, v5, V5, v6, V6, v7, V7, v8, V8, v9, V9, v10, V10, v11,
            V11
        );
        $name!(
            v1, V1, v2, V2, v3, V3, v4, V4, v5, V5, v6, V6, v7, V7, v8, V8, v9, V9, v10, V10, v11,
            V11, v12, V12
        );
        $name!(
            v1, V1, v2, V2, v3, V3, v4, V4, v5, V5, v6, V6, v7, V7, v8, V8, v9, V9, v10, V10, v11,
            V11, v12, V12, v13, V13
        );
        $name!(
            v1, V1, v2, V2, v3, V3, v4, V4, v5, V5, v6, V6, v7, V7, v8, V8, v9, V9, v10, V10, v11,
            V11, v12, V12, v13, V13, v14, V14
        );
        $name!(
            v1, V1, v2, V2, v3, V3, v4, V4, v5, V5, v6, V6, v7, V7, v8, V8, v9, V9, v10, V10, v11,
            V11, v12, V12, v13, V13, v14, V14, v15, V15
        );
        $name!(
            v1, V1, v2, V2, v3, V3, v4, V4, v5, V5, v6, V6, v7, V7, v8, V8, v9, V9, v10, V10, v11,
            V11, v12, V12, v13, V13, v14, V14, v15, V15, v16, V16
        );
    };
}

execute_tuple_macro_16!(impl_size_tuple);

impl<T, const SIZE: usize> GetSize for [T; SIZE]
where
    T: GetSize,
{
    fn get_heap_size_with_tracker<Tr: GetSizeTracker>(&self, tracker: Tr) -> (usize, Tr) {
        self.iter().fold((0, tracker), |(size, tracker), element| {
            // The array stack size already accounts for the stack size of the elements of the array.
            let (elem_size, tracker) = T::get_heap_size_with_tracker(element, tracker);
            (size + elem_size, tracker)
        })
    }
}