fluffl 0.0.5

A cross-platform multimedia layer that exposes opengl,sockets,and audio utilities for desktop and browser
Documentation 
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use serde::{Deserialize, Serialize};
use std::fmt::Display;

//custom data structures I've written for various purposes
pub mod binary_tree;
pub mod bitarray;
pub mod fixed_stack;
pub mod flat_nary_tree;
pub mod linked_list;
pub mod nary_forest;
pub mod segment_tree;


/// ## Description
/// The Official Pseudo Pointer type for this module
/// ### comments
/// - Most of the collections are vector-based or 'arena based' because they are:
///     - Easy to serialize
///     - Cache local
///     - less likely to segfault when bounds checks are off
///     - easier to implement
#[derive(Copy, Clone, PartialEq, Debug, Hash, Eq, Serialize, Deserialize)]
pub struct Ptr {
    idx: u64,
}
impl Ptr {
    pub fn as_usize(&self) -> usize {
        self.idx as usize
    }

    pub const fn null() -> Self {
        Self { idx: !0 }
    }

    pub fn is_null(&self) -> bool {
        *self == Self::null()
    }
}
impl Default for Ptr {
    fn default() -> Self {
        Self::null()
    }
}
impl From<usize> for Ptr {
    fn from(idx: usize) -> Self {
        Self { idx: idx as u64 }
    }
}

impl Display for Ptr {
    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
        write!(f, "{}", self.idx)
    }
}

impl<T> std::ops::Index<Ptr> for Vec<T> {
    type Output = T;
    fn index(&self, index: Ptr) -> &Self::Output {
        &self[index.as_usize()]
    }
}

impl<T> std::ops::IndexMut<Ptr> for Vec<T> {
    fn index_mut(&mut self, index: Ptr) -> &mut Self::Output {
        &mut self[index.as_usize()]
    }
}

impl<T> std::ops::Add<T> for Ptr
where
    i64: From<T>,
{
    type Output = Self;
    fn add(self, rhs: T) -> Self::Output {
        Self {
            idx: self.idx + i64::from(rhs) as u64,
        }
    }
}

impl<T> std::ops::AddAssign<T> for Ptr
where
    i64: From<T>,
{
    fn add_assign(&mut self, rhs: T) {
        self.idx += i64::from(rhs) as u64;
    }
}