Optimize processing of trailing '}'

be0e2684 · Victor Zverovich · fbc38b90 · be0e2684
Commit be0e2684 authored Aug 31, 2018 by Victor Zverovich
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include/fmt/format.h include/fmt/format.h +2 -1

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--- a/include/fmt/format.h
+++ b/include/fmt/format.h
@@ -2148,7 +2148,8 @@ FMT_CONSTEXPR void parse_format_string(
    // 2.5x faster than the naive one-pass implementation on long format strings.
    auto p = find<IS_CONSTEXPR>(begin, end, '{');
    if (p == end) {
-      write(begin, end);
+      if (begin != end)
+        write(begin, end);
      return;
    }
    write(begin, p);