mearns

### Keybase proof

I hereby claim:

  * I am mearns on github.
  * I am mearns (https://keybase.io/mearns) on keybase.
  * I have a public key whose fingerprint is E65B 5B00 0E4F 8FFC 8529  3C5B 3530 CADE 3AA7 0848

To claim this, I am signing this object:

mearns

#!/bin/bash

#
# A script to prepare the same set of modifications to a specified set of chef
# environment files, each in a separate git branch. This is typically used for
# creating merge requests for deploying a ticket (e.g., a new cookbook version)
# to each of the specified environments.
#
# Requires <https://github.com/trentm/json>
#

mearns

function openFileDisposer(filePath) {
    const openedFilePromise = openFileAsPromised(filePath);
    const fileDisposer = openedFilePromise.disposer((openedFile) => {
        openedFile.close();
    });
    return fileDisposer;
}

const promiseToOpenWriteAndCloseFile = Promise.using(openFileDisposer('/tmp/foo'), (openedFile) => {

mearns

int inc(int x) {
  int m = 1;
  while (m) {
    x ^= m;
    m = (m & ~x) << 1;
  }
  return x;
}

int dec(int x) {

mearns

const foo = (() => {
    return bar() + baz()    // = 80, I think.
})
  .local('bar', () => 3*baz())
  .local('baz', () => 2*trot)
  .local('trot', 10)

mearns

Map<String, Thing> createLookupMap (Collection<Thing> thingsToMap) {
    Map<String, Collection<Thing>> lookup = new HashMap<>();
    for (Thing thing : thingsToMap) {
        String propValue = thing.getSomeProperty();
        lookup.put(propValue, thing);
    }
    return lookup;
}

mearns

map.put(key, value)
  .ifHadKey(oldValue -> System.out.println("Replaced " + oldValue + " at key " + key))
  .ifDidNotHaveKey(() -> System.out.println("New key added: " + key));

mearns

import com.google.common.base.Suppliers;
import com.google.common.collect.Lists;

import javax.annotation.Nullable;
import javax.validation.constraints.NotNull;
import java.util.Collection;
import java.util.List;
import java.util.Objects;
import java.util.Optional;
import java.util.function.Predicate;

mearns

If you run python a.py from this directory, you get an error such as:

Traceback (most recent call last):
  File "a.py", line 1, in <module>
    import b
  File "./b.py", line 1, in <module>
    import a
  File "./a.py", line 3, in <module>
 b.bar()

mearns

template myapp.config_file_path do        # Access helper library methods inside a recipe.
  source 'config.yml.erb'
  owner 'root'
  group 'root'
  mode '644'
  variables(
    log_level: myapp.logging_level        # Access helper library methods inside a resource
    log_file_path: myapp.log_file_path
  )
end