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@gurgeh
Created October 11, 2012 11:37
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Comparison of C++ string writing
#include <vector>
#include <string>
#include <map>
#include <iostream>
using namespace std;
/*
d = {"primes" : [2, 3, 5, 7],
"fib": [1, 1, 2, 3]}
print d
*/
void print1(){
map<string, vector<int>> msv;
vector<int> v;
v.push_back(2);
v.push_back(3);
v.push_back(5);
v.push_back(7);
msv["primes"] = v;
v.clear();
v.push_back(1);
v.push_back(1);
v.push_back(2);
v.push_back(3);
msv["fib"] = v;
map<string, vector<int>>::iterator endi = msv.end();
for(map<string, vector<int>>::iterator i = msv.begin(); i != endi; i++){
cout << i->first << ": ";
vector<int>::iterator endvi = i->second.end();
bool first = true;
for(vector<int>::iterator vi = i->second.begin(); vi != endvi; vi++){
if(!first){
cout << ", ";
} else {
first = false;
}
cout << *vi;
}
cout << endl;
}
}
void print2(){
map<string, vector<int>> msv = {{"primes", {2, 3, 5, 7}},
{"fib", {1, 1, 2, 3}}};
for(auto i: msv){
cout << i.first << ": ";
bool first = true;
for(auto vi: i.second){
if(!first){
cout << ", ";
} else {
first = false;
}
cout << vi;
}
cout << endl;
}
}
template<List>
string show_list(const List &l){
return join(l | transform([](x){return (format("%1%") % x).str();}), ", ");
}
void print3(){
map<string, vector<int>> msv = {{"primes", {2, 3, 5, 7}},
{"fib", {1, 1, 2, 3}}};
join(msv | transform([](x){return (format("%1%: [%2%]") % x.first % show_list(x.second)).str();}), "\n")
}
int main(void){
print1();
print2();
}
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