[PATCH] D60788: [Support][JSON] Add reserve() to json Array

[Anton Afanasyev via Phabricator via llvm-commits]

anton-afanasyev created this revision.
anton-afanasyev added reviewers: lebedev.ri, sammccall.
Herald added a project: LLVM.
Herald added a subscriber: llvm-commits.

Space reservation increases json lib performance for the arrays with large number of entries.
Here is the example and discussion: https://reviews.llvm.org/D60609#1468941


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D60788

Files:
  llvm/include/llvm/Support/JSON.h


Index: llvm/include/llvm/Support/JSON.h
===================================================================
--- llvm/include/llvm/Support/JSON.h
+++ llvm/include/llvm/Support/JSON.h
@@ -179,6 +179,7 @@
 
   bool empty() const { return V.empty(); }
   size_t size() const { return V.size(); }
+  void reserve(size_t S) { V.reserve(S); }
 
   void clear() { V.clear(); }
   void push_back(const Value &E) { V.push_back(E); }


-------------- next part --------------
A non-text attachment was scrubbed...
Name: D60788.195419.patch
Type: text/x-patch
Size: 423 bytes
Desc: not available
URL: <http://lists.llvm.org/pipermail/llvm-commits/attachments/20190416/9518eefb/attachment.bin>