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use std::sync::Arc;

use tokio::sync::Semaphore;

/// An async latch.
///
/// Internally this is implemented using a semaphore with an initial value of 0.
/// The semaphore can be closed to "trigger" the latch. A "Closed" error when
/// awaiting the semaphore is treated as if the latch is unlocked.
#[derive(Clone)]

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diff --git PKGBUILD PKGBUILD
index 15a4390..eeed273 100644
--- PKGBUILD
+++ PKGBUILD
@@ -2,12 +2,13 @@
 # Contributor: Michael Düll <mail@akurei.me>
 # Contributor: sancspi <sancospi [at] gmail.com>
 # Contributor: tze <tze@datalove.me>
+# Contributor: Danilo <aur ät dbrgn döt ch>
 

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/// The result of a form validation: Either a successful redirect, or a
/// template response with an error status.
///
/// TODO: Generalize this and move it into a helper module.
pub enum ValidationResult {
    Success(Redirect),
    Invalid(Template, Status)
}

impl<'r> response::Responder<'r> for ValidationResult {

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from http import server

PORT = 8000


class WasmAwareRequestHandler(server.SimpleHTTPRequestHandler):
    def __init__(self, *args, **kwargs):
        super().__init__(*args, **kwargs)
        self.extensions_map['.wasm'] = 'application/wasm'

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extern crate hyper;
extern crate reqwest;
extern crate rustysafe;

use std::thread;

use hyper::Server;
use hyper::rt::Future;
use hyper::service::service_fn;

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#!/usr/bin/env python3
import os
import sys
import time

import RPi.GPIO as g

print('Initializing...')

# Pins

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In RPLCD version 1.0, some APIs were slightly changed. Previously the CharLCD instance would provide default values for the pin numbers and the numbering mode. But that was changed, since it may be dangerous if these pins are connected to other hardware.

So if you have installed version 1.0 of RPLCD, you need to provide the pin numbering mode yourself. If your code previously looked like this:

from RPLCD import CharLCD
lcd = CharLCD(cols=16, rows=2, pin_rs=37, pin_e=35, pins_data=[40, 38, 36, 32, 33, 31, 29, 23])

...and if you use the BOARD numbering scheme, then change the code like this:

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import sys
import time
from RPi import GPIO

LED_R = 36
LED_Y = 38
LED_B = 40
BUTTON = 32

# Use the BOARD numbering system

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"""
Example script to read the input voltage, measured by the MCP3425 ADC.
Datasheet: http://ww1.microchip.com/downloads/en/DeviceDoc/22072b.pdf
"""
# -*- coding: utf-8 -*-
from __future__ import print_function, division

import time
import smbus

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#[derive(Serialize, Deserialize, Debug, PartialEq, Eq)]                                                                        
#[serde(rename_all="snake_case")]
pub enum State {
    Pending,
    Sending,
    Sent,
    Failed,
}

impl fmt::Display for State {