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author | Jaskamal Kainth <kainthjaskamal@gmail.com> | 2016-01-28 17:15:44 +0530 |
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committer | Jaskamal Kainth <kainthjaskamal@gmail.com> | 2016-01-28 17:15:44 +0530 |
commit | 4a1a6857ce30f19f8c04dcca4571bb27f7dc36d0 (patch) | |
tree | d269ab5e08478f6e27921a7e23a3f7d1ae688526 | |
parent | c805148618f5b2679d6581ff41885abc7140fd4d (diff) |
[C++/en] Tuple , updated
-rw-r--r-- | c++.html.markdown | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/c++.html.markdown b/c++.html.markdown index 594cf15f..ea6ef034 100644 --- a/c++.html.markdown +++ b/c++.html.markdown @@ -967,10 +967,10 @@ v.swap(vector<Foo>()); // We start with constructing a tuple. // Packing values into tuple -auto first = make_tuple( 10 , 'A' ) ; +auto first = make_tuple(10,'A') ; const int maxN = 1e9; const int maxL = 15; -auto second = make_tuple( maxN , maxL ) ; +auto second = make_tuple(maxN,maxL) ; // printing elements of 'first' tuple cout << get<0>(first) << " " << get<1>(first) << "\n"; //prints : 10 A @@ -983,12 +983,12 @@ cout << get<0>(second) << " " << get<1>(second) << "\n"; // prints: 1000000000 1 int first_int; char first_char; -tie(first_int , first_char ) = first; +tie(first_int,first_char) = first; cout << first_int << " " << first_char << "\n"; // prints : 10 A // We can also create tuple like this. -tuple<int , char , double> third ( 11 ,'A' , 3.14141); +tuple<int,char,double> third (11,'A',3.14141); // tuple_size returns number of elements in a tuple (as a constexpr) cout << tuple_size < decltype(third) >::value << "\n"; // prints: 3 @@ -996,7 +996,7 @@ cout << tuple_size < decltype(third) >::value << "\n"; // prints: 3 // tuple_cat concatenates the elements of all the tuples in the same order. auto concatenated_tuple = tuple_cat( first, second ,third); -// concatenated_tuple becomes = (10 , 'A' , 1e9 , 15 , 11 , 'A' , 3.14141 ) +// concatenated_tuple becomes = (10,'A',1e9,15,11,'A',3.14141) cout << get<0>(concatenated_tuple) << "\n"; // prints: 10 cout << get<3>(concatenated_tuple) << "\n"; // prints: 15 |