Peter Schwarz peterschwarz

peterschwarz / playground.rs

Created June 7, 2019 20:54 — forked from rust-play/playground.rs

Code shared from the Rust Playground

peterschwarz / select.rs

Created May 3, 2019 20:50 — forked from rust-play/playground.rs

Select Iterators (with Channel iterators)

	pub struct SelectIterator<'i, I> {
	iters: Vec<&'i mut dyn Iterator<Item=I>>
	}

	pub fn select<'i, I>(iters: Vec<&'i mut dyn Iterator<Item=I>>)
	-> SelectIterator<'i, I>
	{
	SelectIterator { iters }
	}

peterschwarz / priority.rs

Last active February 20, 2022 20:17 — forked from rust-play/playground.rs

A priority channel based on the standard MPSC channels

	use std::cell::RefCell;
	use std::cmp::Ord;
	use std::collections::BinaryHeap;
	use std::sync::mpsc::{channel, Receiver, RecvError, Sender, TryRecvError};

	pub struct PriorityReceiver<T>
	where
	T: Ord,
	{
	internal: Receiver<T>,

peterschwarz / ref_map.rs

Last active March 2, 2019 20:27 — forked from rust-play/playground.rs

Code shared from the Rust Playground

peterschwarz / symbol.rs

Last active October 21, 2018 13:34 — forked from rust-play/playground.rs

Symbol using Cow

	use std::borrow::Cow;
	use std::collections::HashMap;

	#[derive(Eq, PartialEq, Hash, Clone, Default, Debug)]
	struct Symbol<'a> {
	ns: Cow<'a, str>,
	name: Cow<'a, str>,
	}

	impl<'a> Symbol<'a> {

peterschwarz / playground.rs

Created September 12, 2018 13:58 — forked from rust-play/playground.rs

Code shared from the Rust Playground

	#[derive(Default)]
	struct X {
	a: String,
	b: String,
	c: String,
	}

	macro_rules! reject_empty {
	($obj:ident, $first_field:tt, $($field:tt),*) => {
	{

peterschwarz / install_libzmq.sh

Last active November 2, 2021 15:20

Sawtooth Rust SDK Dev - macOS

	# This is the current latest, as of 8/16/2018
	curl -O https://github.com/zeromq/libzmq/releases/download/v4.2.5/zeromq-4.2.5.tar.gz
	tar xvf zeromq-4.2.5.tar.gz
	cd zeromq-4-2.5
	./configure
	make
	sudo make install

peterschwarz / playground.rs

Created May 18, 2018 14:03 — forked from rust-play/playground.rs

Code shared from the Rust Playground

	use std::collections::HashMap;
	use std::sync::Arc;
	use std::sync::Mutex;

	#[derive(Default)]
	struct StringManagerPrimative {
	pub map: HashMap<String, String>,
	}

	impl StringManagerPrimative {

peterschwarz / useful_sawtooth_cmds.md

Last active August 12, 2018 22:39

Useful Sawtooth Development Commands

Useful commands for Sawtooth Core Developers

Use docker to run the linter

$ docker-compose -f docker/compose/run-lint.yaml up lint-python

peterschwarz / cool_clojure.clj

Created July 29, 2016 18:40

Cool clojure

	(let [bisect-by (juxt filter remove)]
	(bisect-by odd? [1 2 3 4 5]))
	; => [(1 3 5) (2 4)]