Last active
November 9, 2016 13:11
-
-
Save autosquid/e14d954aaa5a2fc8deb4 to your computer and use it in GitHub Desktop.
my functional
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
// I hate STL transform. | |
// I hate iteraters | |
namespace my{ | |
template<typename T, typename F> | |
auto map(F f, const std::vector<T> &a ) { | |
std::vector<std::result_of_t<F(T)>> result; | |
for(const T & t : a) | |
result.push_back(f(t)); | |
return result; | |
} | |
template<typename Dst_container_t, typename Src_container_t> | |
Dst_container_t transform(const Src_container_t& _src, std::function<typename Dst_container_t::value_type (typename Src_container_t::const_reference)> F){ | |
Dst_container_t dst(_src.size()); // todo: to do tricks; | |
std::transform(_src.begin(), _src.end(), dst.begin(), F); | |
return std::move(dst); | |
} | |
inline std::vector<std::string> tokenize( const std::string str, const std::regex regex ){ | |
using namespace std; | |
vector<string> result; | |
sregex_token_iterator it( str.begin(), str.end(), regex, -1 ); | |
sregex_token_iterator reg_end; | |
for ( ; it != reg_end; ++it ) { | |
if ( !it->str().empty() ) //token could be empty:check | |
result.emplace_back( it->str() ); | |
} | |
return std::move(result); | |
} | |
} | |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment