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| author | Paul Wankadia <junyer@google.com> | 2019-01-21 21:33:24 -0800 |
|---|---|---|
| committer | Paul Wankadia <junyer@google.com> | 2019-01-22 05:35:17 +0000 |
| commit | 1763a753b2f8f1216dc16f4687d72c4ad8e42d92 (patch) | |
| tree | f5b4aa8f240ce30cec352855c036349f094ad3db | |
| parent | 29dd8fdd63edb04f913a6559ddba6dc8c773d797 (diff) | |
| download | regex-re2-1763a753b2f8f1216dc16f4687d72c4ad8e42d92.tar.gz | |
Support constructing StringPiece from std::string_view.
Change-Id: I12ea795d2ff0aae99683ceb9afeb2569941b4dbf
Reviewed-on: https://code-review.googlesource.com/c/37631
Reviewed-by: Paul Wankadia <junyer@google.com>
| -rw-r--r-- | re2/stringpiece.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/re2/stringpiece.h b/re2/stringpiece.h index 1db7a2a..0181671 100644 --- a/re2/stringpiece.h +++ b/re2/stringpiece.h @@ -19,12 +19,20 @@ // // Arghh! I wish C++ literals were "string". +// Doing this simplifies the logic below. +#ifndef __has_include +#define __has_include(x) 0 +#endif + #include <stddef.h> #include <string.h> #include <algorithm> #include <iosfwd> #include <iterator> #include <string> +#if __has_include(<string_view>) +#include <string_view> +#endif namespace re2 { @@ -49,6 +57,10 @@ class StringPiece { // expected. StringPiece() : data_(NULL), size_(0) {} +#if __has_include(<string_view>) + StringPiece(const std::string_view& str) + : data_(str.data()), size_(str.size()) {} +#endif StringPiece(const std::string& str) : data_(str.data()), size_(str.size()) {} StringPiece(const char* str) |