From c69e3086902d67ff8160127ba02799a7b4e770e9 Mon Sep 17 00:00:00 2001 From: Victor Zverovich Date: Fri, 20 Oct 2017 18:00:31 -0700 Subject: [PATCH] Update README.rst --- README.rst | 18 +++++++++--------- 1 file changed, 9 insertions(+), 9 deletions(-) diff --git a/README.rst b/README.rst index c606bbf0..b9a4e626 100644 --- a/README.rst +++ b/README.rst @@ -106,9 +106,7 @@ An object of any user-defined type for which there is an overloaded std::string s = fmt::format("The date is {}", Date(2012, 12, 9)); // s == "The date is 2012-12-9" -You can use the `FMT_VARIADIC -`_ -macro to create your own functions similar to `format +You can create your own functions similar to `format `_ and `print `_ which take arbitrary arguments: @@ -116,17 +114,19 @@ which take arbitrary arguments: .. code:: c++ // Prints formatted error message. - void report_error(const char *format, fmt::ArgList args) { + void vreport_error(const char *format, fmt::args args) { fmt::print("Error: "); - fmt::print(format, args); + fmt::vprint(format, args); + } + template + void report_error(const char *format, const Args & ... args) { + vreport_error(format, fmt::make_args(args)); } - FMT_VARIADIC(void, report_error, const char *) report_error("file not found: {}", path); -Note that you only need to define one function that takes ``fmt::ArgList`` -argument. ``FMT_VARIADIC`` automatically defines necessary wrappers that -accept variable number of arguments. +Note that ``vreport_error`` is not parameterized on argument types which can +improve compile times and reduce code size compared to fully parameterized version. Projects using this library ---------------------------