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function toIconifyIcon(svg: string): IconifyIcon {
  const body = svg.replace(/<svg[^>]*>/, "").replace(/<\/svg>/, "");
  const width = svg.match(/width="(\d+)"/)?.[1];
  const height = svg.match(/height="(\d+)"/)?.[1];

  return {
    body: `<g fill="currentColor">${body}</g>`,
    width: width ? Number.parseInt(width) : undefined,
    height: height ? Number.parseInt(height) : undefined,
  };

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export type ListDiff<T> =
  | { type: "insert"; value: T; before?: T }
  | { type: "remove"; value: T };

/**
 * Virtual DOM like diff algorhtim for arrays
 */
export function listDiff<T extends { key: string }>(
  before: T[],
  after: T[]

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import { Atom } from 'mobx'
import * as firebase from 'firebase'

// Custom observable for Firebase value
// see https://mobx.js.org/refguide/extending.html
export class FirebaseWatcher<T> {
  private atom: Atom
  private ref?: firebase.database.Reference
  private _value: T

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<div class="todo-list">
  <div class="todo">
    <input type="checkbox" class="done">
    <h3 class="title">Title</h3>
  </div>
</div>

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def get_ssid

  airport = '/System/Library/PrivateFrameworks/Apple80211.framework/Versions/Current/Resources/airport -I'

  `#{airport}`.split("\n").each do |line|
    words = line.split
    if words[0] == 'SSID:'
      return words[1]
    end
  end

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#include <type_traits>
#include <vector>
#include <iostream>
#include <cstdlib>
#include <ctime>
#include <cmath>

template <typename TImpl>
class Enumerator
{

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#include <vector>
#include <iostream>
#include <type_traits>

#include <boost/preprocessor.hpp>

#define GET_TYPE(n, array) \
  BOOST_PP_TUPLE_ELEM(2, 0, BOOST_PP_ARRAY_ELEM(n, array))
#define GET_ARG(n, array) \
  BOOST_PP_TUPLE_ELEM(2, 1, BOOST_PP_ARRAY_ELEM(n, array))

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class DoNotation

  class DSL

    def initialize(&block)

      @first_lets = []
      @proc_sources = []
      @variables = Hash[]

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require 'parslet'
require 'pp'

class Parser < Parslet::Parser
  rule(:lparen) { str('(') >> space? }
  rule(:rparen) { str(')') >> space? }

  rule(:space) { match('\s').repeat(1) }
  rule(:space?) { space.maybe }
  

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x = 5
y = 10
add = (x, y) =>
  x + y
end
z = add x, y

times = (i, fn) =>
  iteration = (j) =>
    switch j < i