enh(cpp) add pair, make_pair, priority_queue as built-ins (#2538)

CHANGES.md

@@ -24,6 +24,7 @@ Language Improvements:
 - enh(typescript/javascript/coffeescript/livescript) derive ECMAscript keywords from a common foudation (#2518) [Josh Goebel][]
 - enh(typescript) add setInterval, setTimeout, clearInterval, clearTimeout (#2514) [Josh Goebel][]
 - enh(javascript) add setInterval, setTimeout, clearInterval, clearTimeout (#2514) [Vania Kucher][]
+- enh(cpp) add `pair`, `make_pair`, `priority_queue` as built-ins (#2538) [Hankun Lin][]
 - fix(javascript) prevent `set` keyword conflicting with setTimeout, etc. (#2514) [Vania Kucher][]
 - fix(cpp) Fix highlighting of unterminated raw strings (#2261) [David Benjamin][]
 - fix(javascript) `=>` function with nested `()` in params now works (#2502) [Josh Goebel][]
@@ -34,6 +35,7 @@ Language Improvements:
 [Peter Plantinga]: https://github.com/pplantinga
 [David Benjamin]: https://github.com/davidben
 [Vania Kucher]: https://github.com/qWici
+[Hankun Lin]: https://github.com/Linhk1606
 
 
 ## Version 10.0.2

src/languages/c-like.js

@@ -106,8 +106,8 @@ export default function(hljs) {
       'atomic_ullong new throw return ' +
       'and and_eq bitand bitor compl not not_eq or or_eq xor xor_eq',
     built_in: 'std string wstring cin cout cerr clog stdin stdout stderr stringstream istringstream ostringstream ' +
-      'auto_ptr deque list queue stack vector map set bitset multiset multimap unordered_set ' +
-      'unordered_map unordered_multiset unordered_multimap array shared_ptr abort terminate abs acos ' +
+      'auto_ptr deque list queue stack vector map set pair bitset multiset multimap unordered_set ' +
+      'unordered_map unordered_multiset unordered_multimap priority_queue make_pair array shared_ptr abort terminate abs acos ' +
       'asin atan2 atan calloc ceil cosh cos exit exp fabs floor fmod fprintf fputs free frexp ' +
       'fscanf future isalnum isalpha iscntrl isdigit isgraph islower isprint ispunct isspace isupper ' +
       'isxdigit tolower toupper labs ldexp log10 log malloc realloc memchr memcmp memcpy memset modf pow ' +