zhmxx

// This is used to check if native JavaScript methods are overridden by a third-party source

function checkObject() {
  ['assign', 'create', 'defineProperty', 'defineProperties', 'entries', 'freeze', 
   'getOwnPropertyDescriptor', 'getOwnPropertyNames', 'getOwnPropertySymbols', 
   'getPrototypeOf', 'is', 'isExtensible', 'isFrozen', 'isSealed', 'keys', 
   'preventExtensions', 'seal', 'setPrototypeOf', 'values'].forEach(method => {
    if (!Object[method]) {
      console.warn(`Object.${method} method is missing.`);
    } else if (Object[method].toString() !== `function ${method}() { [native code] }`) {  // For Safari, the code is `function ${method}() {\n    [native code]\n}`

GorNishanov

#ifndef RECURSIVE_recursive_generator
#define RECURSIVE_recursive_generator

#include <experimental/coroutine>

// This class implements delegating (potentially recursive) recursive_generator.
// It supports two kind of yield expressions:
//
//    co_yield V;
//    co_yield G_of_T;

utilForever

#include <tuple>
#include <type_traits>
#include <cassert>

template <class T, class... TArgs> decltype(void(T{std::declval<TArgs>()...}), std::true_type{}) test_is_braces_constructible(int);
template <class, class...> std::false_type test_is_braces_constructible(...);
template <class T, class... TArgs> using is_braces_constructible = decltype(test_is_braces_constructible<T, TArgs...>(0));

struct any_type {
  template<class T>

timshen91

template <typename Left, typename Right>
struct ConcatExpr;

template <typename Left, typename Right>
struct AltExpr;

template <typename SubExpr>
struct RepeatExpr;

template <char ch>