TethysSvensson

use std::ops::Add;

trait X<Rhs, Output>
    where Self: Add<Rhs, Output = Output>,
          Self: for<'rhs> Add<&'rhs Rhs, Output = Output>
{}

// First try, does not work
trait Y1 { fn foo(&self); }
trait Z1: Sized

TethysSvensson

import random

def mymul(a, b):
    if a > b:
        a, b = b, a

    res = 0
    for n in range(a.bit_length()):
        if a & (1 << n):
            res ^= b << n

TethysSvensson

Keybase proof

I hereby claim:

• I am idolf on github.
• I am idolfhatler (https://keybase.io/idolfhatler) on keybase.
• I have a public key whose fingerprint is DC7B EEB0 8175 E641 6BB1 7901 E76B 7B2D 2F2F F530

To claim this, I am signing this object:

TethysSvensson

pub type PyPtr = *mut PyObjectHead;

#[repr(C)]
pub struct PyRef(PyPtr);

extern "C" fn say_hello(selfval: PyPtr, args: PyPtr) -> PyPtr { ... }
extern "C" fn say_hello(selfval: PyRef, args: PyRef) -> PyRef { ... }

TethysSvensson

Keybase proof

I hereby claim:

• I am idolfhatler on github.
• I am idolfhatler (https://keybase.io/idolfhatler) on keybase.
• I have a public key whose fingerprint is DC7B EEB0 8175 E641 6BB1 7901 E76B 7B2D 2F2F F530

To claim this, I am signing this object:

TethysSvensson

fn foo(n: &u64) -> proc() -> u64 {
    proc() { *n }
}

fn mk_foo(n: u64) -> proc() -> u64 {
    foo(&n)
}

fn main() {
    let x = mk_foo(1);

TethysSvensson

#![feature(macro_rules)]

use std::cell::{RefCell, Ref};
use std::rc::Rc;

pub struct Thunk<T>(Rc<RefCell<ThunkValue<T>>>);
pub enum ThunkValue<T> {
  Eager(T),
  Lazy(proc() -> T)
}

TethysSvensson

struct Foo(u8);
type Bar = Foo;
impl Bar {}
fn main() {}

/*
bug2.rs:3:1: 3:12 error: cannot associate methods with a type outside the crate the type is defined in; define and implement a trait or new type instead
bug2.rs:3 impl Bar {}
          ^~~~~~~~~~~
error: aborting due to previous error

TethysSvensson

#!/usr/bin/env python

from pwn import *
import time, sys
context('linux')

# Our polyglots to branch our for a single architecture

# ARMEL:   b $ + 464
# ARMEB:   andvc r0, r0, #234

TethysSvensson

from pwn import *
import pwn2
import sys

HELLO = 0
READY = 1
ERROR = 255

REQ_POST = 11
RESP_POST = 12