sha512sum/nameof_module
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

more good example

Browse source
This commit is contained in:
neargye 2019-03-22 13:00:18 +05:00
parent c55bac310d
commit ba9f6d5954
1 changed files with 16 additions and 26 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

42
example/example.cpp
View file

@ -24,6 +24,7 @@
#include <iostream> #include <iostream>
#include <string> #include <string>
#include <sstream>
#include <stdexcept> #include <stdexcept>
#include <typeinfo> #include <typeinfo>
@ -49,18 +50,9 @@ void SomeMethod3() {
template <typename T, typename U> template <typename T, typename U>
std::string SomeMethod4(U value) { std::string SomeMethod4(U value) {
std::string s; std::stringstream s;
s += NAMEOF(SomeMethod4<T, U>); s << NAMEOF(SomeMethod4<T, U>) << "<" << NAMEOF_TYPE_T(T) << ", " << NAMEOF_TYPE_T(U) << ">(" << NAMEOF_TYPE_T(U) << " " << NAMEOF(value) << ")";
s += "<"; return s.str();
s += NAMEOF_TYPE_T(T);
s += ", ";
s += NAMEOF_TYPE_T(U);
s += ">(";
s += NAMEOF_TYPE_T(U);
s += " ";
s += NAMEOF(value);
s += ")";
return s;
} }
template <typename T> template <typename T>
@ -97,17 +89,13 @@ int main() {
static_assert("structvar" == cx_name); static_assert("structvar" == cx_name);
// Enum name. // Enum name.
std::cout << NAMEOF(Color::RED) << std::endl; // RED
auto color = Color::RED; auto color = Color::RED;
std::cout << NAMEOF(color) << std::endl; // color
std::cout << NAMEOF_ENUM(color) << std::endl; // RED std::cout << NAMEOF_ENUM(color) << std::endl; // RED
std::cout << nameof::nameof_enum(color) << std::endl; // RED std::cout << nameof::nameof_enum(color) << std::endl; // RED
// Variable name. // Variable name.
std::cout << NAMEOF(structvar) << std::endl; // structvar std::cout << NAMEOF(structvar) << std::endl; // structvar
std::cout << NAMEOF(::structvar) << std::endl; // structvar std::cout << NAMEOF(::structvar) << std::endl; // structvar
// Member name.
std::cout << NAMEOF(structvar.somefield) << std::endl; // somefield std::cout << NAMEOF(structvar.somefield) << std::endl; // somefield
std::cout << NAMEOF((&structvar)->somefield) << std::endl; // somefield std::cout << NAMEOF((&structvar)->somefield) << std::endl; // somefield
std::cout << NAMEOF(othervar.ll.field) << std::endl; // field std::cout << NAMEOF(othervar.ll.field) << std::endl; // field
@ -143,6 +131,8 @@ int main() {
std::cout << NAMEOF_RAW(structvar.somefield) << std::endl; // structvar.somefield std::cout << NAMEOF_RAW(structvar.somefield) << std::endl; // structvar.somefield
std::cout << NAMEOF_RAW(&SomeStruct::SomeMethod1) << std::endl; // &SomeStruct::SomeMethod1 std::cout << NAMEOF_RAW(&SomeStruct::SomeMethod1) << std::endl; // &SomeStruct::SomeMethod1
// Some more example.
std::cout << SomeMethod4<int>(structvar) << std::endl; // SomeMethod4<int>(SomeStruct value) std::cout << SomeMethod4<int>(structvar) << std::endl; // SomeMethod4<int>(SomeStruct value)
const auto div = [](int x, int y) -> int { const auto div = [](int x, int y) -> int {
@ -161,7 +151,7 @@ int main() {
/* Remarks */ /* Remarks */
#if 0 #if 0
// This expression does not have a name. // This expression does not have name.
std::cout << NAMEOF("Bad case"_string) << std::endl; // '_string' std::cout << NAMEOF("Bad case"_string) << std::endl; // '_string'
std::cout << NAMEOF(42.0) << std::endl; // '0' std::cout << NAMEOF(42.0) << std::endl; // '0'
std::cout << NAMEOF(42.f) << std::endl; // 'f' std::cout << NAMEOF(42.f) << std::endl; // 'f'
@ -178,15 +168,15 @@ int main() {
#endif #endif
#if 0 #if 0
// This expression does not compilation. // This expression does not have name and not compilation.
std::cout << NAMEOF("Bad case") << std::endl; // '' std::cout << NAMEOF("Bad case") << std::endl;
std::cout << NAMEOF("somevar.somefield") << std::endl; // '' std::cout << NAMEOF("somevar.somefield") << std::endl;
std::cout << NAMEOF(std::basic_string<char>) << std::endl; // '' std::cout << NAMEOF(std::basic_string<char>) << std::endl;
std::cout << NAMEOF(ptrvar[0]) << std::endl; // 'ptrvar[0]' std::cout << NAMEOF(ptrvar[0]) << std::endl;
std::cout << NAMEOF(std::cout << structvar << std::endl) << std::endl; // '' std::cout << NAMEOF(std::cout << structvar << std::endl) << std::endl;
std::cout << NAMEOF(decltype(structvar)) << std::endl; // '' std::cout << NAMEOF(decltype(structvar)) << std::endl;
std::cout << NAMEOF(typeid(structvar)) << std::endl; // '' std::cout << NAMEOF(typeid(structvar)) << std::endl;
std::cout << NAMEOF((structvar)) << std::endl; // '' std::cout << NAMEOF((structvar)) << std::endl;
#endif #endif
return 0; return 0;