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pub mod data_stack;
pub mod lifetime;
pub mod managed;
pub mod managed_box;
pub mod shared;
pub mod type_hash;

pub mod prelude {
    pub use crate::{
        data_stack::*, lifetime::*, managed::*, managed_box::*, shared::*, type_hash::*, Finalize,
        Initialize,
    };
}

pub trait Initialize: Sized {
    fn initialize() -> Self;

    /// # Safety
    unsafe fn initialize_raw(data: *mut ()) {
        data.cast::<Self>().write(Self::initialize());
    }
}

impl<T> Initialize for T
where
    T: Default,
{
    fn initialize() -> Self {
        Self::default()
    }
}

pub trait Finalize: Sized {
    /// # Safety
    unsafe fn finalize_raw(data: *mut ()) {
        data.cast::<Self>().read_unaligned();
    }
}

impl<T> Finalize for T {}

#[inline]
pub fn pointer_alignment_padding(pointer: *const u8, alignment: usize) -> usize {
    let mut result = (pointer as usize) % alignment;
    if result > 0 {
        result = alignment - result;
    }
    result
}