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Harden the filed name checks and improve the diagnostics (#138)

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This commit is contained in:
Antony Polukhin
2023-09-18 13:57:58 +03:00
committed by GitHub
parent 7ba81adbd6
commit 67f4fc4398
12 changed files with 141 additions and 227 deletions
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6
example/get_name.cpp
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@@ -13,7 +13,7 @@
#if BOOST_PFR_CORE_NAME_ENABLED && BOOST_PFR_USE_CPP17
//[pfr_example_get_name
/*`
Since C++20 it's possible to read name of structure fields by index using Boost.PFR library.
Since C++20 it's possible to read name of a structure field by index using Boost.PFR library.
The following example shows how to do it using [funcref boost::pfr::get_name].
Let's define some structure:
@@ -28,8 +28,8 @@ struct foo { // defining structure
/*`
We can access field's names of that structure by index:
*/
constexpr auto r1 = boost::pfr::get_name<0, foo>(); // reading name of field with index 0, returns string `some_integer`
constexpr auto r2 = boost::pfr::get_name<1, foo>(); // reading name of field with index 1, returns string `c`
constexpr std::string_view r1 = boost::pfr::get_name<0, foo>(); // returns "some_integer"
constexpr std::string_view r2 = boost::pfr::get_name<1, foo>(); // returns "c"
//] [/pfr_example_get_name]
#endif