[core] Reserve vector size

2017-02-27 08:20:14 -08:00
parent 73c5d5c00a
commit c70bf6b2bf
1 changed files with 2 additions and 0 deletions
--- a/platform/default/bidi.cpp
+++ b/platform/default/bidi.cpp
@@ -74,6 +74,8 @@ std::vector<std::u16string> BiDi::applyLineBreaking(std::set<std::size_t> lineBr
    mergeParagraphLineBreaks(lineBreakPoints);

    std::vector<std::u16string> transformedLines;
+    transformedLines.reserve(lineBreakPoints.size());
+
    std::size_t start = 0;
    for (std::size_t lineBreakPoint : lineBreakPoints) {
        transformedLines.push_back(getLine(start, lineBreakPoint));