hencjo

package debouncer;

import java.util.HashMap;
import java.util.concurrent.locks.ReentrantLock;

/**
 * Utility class guarding a task to be execute by a single thread synchronized on some key.
 *
 * Other threads can try to schedule execution of task while the task is executing on the original thread.
 * The first thread to do so will block and subsequently get unblocked to execute the task again as soon

hencjo

# Use xinput to find your keyboards.

$ xinput 
⎡ Virtual core pointer                    	id=2	[master pointer  (3)]
⎜   ↳ Virtual core XTEST pointer              	id=4	[slave  pointer  (2)]
⎜   ↳ SynPS/2 Synaptics TouchPad              	id=11	[slave  pointer  (2)]
⎜   ↳ TPPS/2 IBM TrackPoint                   	id=12	[slave  pointer  (2)]
⎜   ↳ Logitech Performance MX                 	id=14	[slave  pointer  (2)]
⎜   ↳ E-Signal USB Gaming Keyboard            	id=16	[slave  pointer  (2)]
⎣ Virtual core keyboard                   	id=3	[master keyboard (2)]

hencjo

import java.util.function.Function;

import static java.util.Objects.requireNonNull;

public class SumTypeDemo {
  //Evaluate
	private static int evaluate(Expression expression) {
		return expression.expression.destruct(
			constant -> constant.value,
			add -> evaluate(add.a) + evaluate(add.b),

hencjo

Keybase proof

I hereby claim:

• I am hencjo on github.
• I am hencjo (https://keybase.io/hencjo) on keybase.
• I have a public key whose fingerprint is 0ED3 422A 8A83 44D9 AFA8 9555 F3E4 0507 6AC8 541D

To claim this, I am signing this object: