Now that Envoy is using c++17, std::string_view is available. To avoid a huge change to replace all uses in the code, absl::string_view will become an alias for std::string_view if we #define ABSL_USES_STD_STRING_VIEW (see https://github...
I'm trying to link a program compiled with c++17 against a library compiled with c++11 that has absl::string_view in its api. Because my program gets std::string_view and the library has absl::string_view, they are binary incompatible and this can't be done. It would be nice if I...
因为envoy里面使用了absl里的string lib中的内容,这里就做了一个简单的整理。 1.absl::string_view 用来解决:从const char*转换为string操作麻烦和性能低下的场景。 在C++17环境中你应该使用std::string_view,在非C++17环境中你应该使用absl::string_view。 一个string_view类型的变量可以被想象成一个“镜像”,...
...(摘自:https://github.com/abseil/abseil-cpp)因为envoy里面使用了absl里的string lib中的内容,这里就做了一个简单的整理。...在C++17环境中你应该使用std::string_view,在非C++17环境中你应该使用absl::string_view。...因此,复制string_view是浅拷贝,字符串内容不会被复制。...ID 的格式字符串来指示...
23 // another `string_view`. 24 // 25 // This `absl::string_view` abstraction is designed to be a drop-in 26 // replacement for the C++17 `std::string_view` abstraction. 27 #ifndef ABSL_STRINGS_STRING_VIEW_H_ 28 #define ABSL_STRINGS_STRING_VIEW_H_ 29 30 ...
{ std::string s1("foo"); std::string s2("bar"); std::string s3("baz"); absl::string_view p1(s1); absl::string_view p2(s2); absl::string_view p3(s3); typedef std::map<absl::string_view, int> TestMap; TestMap map; map.insert(std::make_pair(p1, 0)); m...
However, beware of binding a `string_view` to a 86 // temporary value: 87 // 88 // // BAD use of string_view: lifetime problem 89 // absl::string_view sv = obj.ReturnAString(); 90 // 91 // // GOOD use of string_view: str outlives sv 92 // std::st...
./tensorflow/core/lib/core/stringpiece.h:29:38: fatal error: absl/strings/string_view.h: No such file or directory #include "absl/strings/string_view.h" ^ compilation terminated. tensorflow/contrib/pi_examples/label_image/Makefile:79: recipe for target '/home/pi/Documents/git/tensorflow/tens...
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// A `string_view` provides a lightweight view into the string data provided by // a `std::string`, double-quoted string literal, character array, or even // another `string_view`. A `string_view` does *not* own the string to which it ...