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Update README file

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Asit Kumar Dhal 2017-06-17 20:26:07 +02:00
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README.md
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@ -30,6 +30,7 @@ Very fast, header only, C++ logging library. [![Build Status](https://travis-ci.
* Feature rich [call style](#usage-example) using the excellent [fmt](https://github.com/fmtlib/fmt) library. * Feature rich [call style](#usage-example) using the excellent [fmt](https://github.com/fmtlib/fmt) library.
* Extremely fast asynchronous mode (optional) - using lockfree queues and other tricks to reach millions of calls/sec. * Extremely fast asynchronous mode (optional) - using lockfree queues and other tricks to reach millions of calls/sec.
* [Custom](https://github.com/gabime/spdlog/wiki/3.-Custom-formatting) formatting. * [Custom](https://github.com/gabime/spdlog/wiki/3.-Custom-formatting) formatting.
* Conditional Logging
* Multi/Single threaded loggers. * Multi/Single threaded loggers.
* Various log targets: * Various log targets:
* Rotating log files. * Rotating log files.
@ -91,6 +92,12 @@ int main(int, char*[])
console->info("Welcome to spdlog!"); console->info("Welcome to spdlog!");
console->error("Some error message with arg{}..", 1); console->error("Some error message with arg{}..", 1);
// Conditional logging example
auto i = 2;
console->info_if(i < 20, "Welcome to spdlog conditional logging!");
console->warn_if(i != 0, "an important message");
console->critical_if(i != 2, "a false warning which won't show up");
// Formatting examples // Formatting examples
console->warn("Easy padding in numbers like {:08d}", 12); console->warn("Easy padding in numbers like {:08d}", 12);
console->critical("Support for int: {0:d}; hex: {0:x}; oct: {0:o}; bin: {0:b}", 42); console->critical("Support for int: {0:d}; hex: {0:x}; oct: {0:o}; bin: {0:b}", 42);