Request Short Link
C++ 98
C++ 11
C++ 14
C++ 17
C++ 20
C++ 23
C++ 2c
for-loops as while-loops
array subscription
Show all implicit casts
Show all template parameters of a CallExpr
Use libc++
Transform std::initializer_list
Show noexcept internals
Show padding information
Show coroutine transformation
Show C++ to C transformation
Show object lifetime
Default
15
18
20
22
26
More
GitHub
Patreon
Issues
About
Policies
Examples
C++ Insights @ YouTube
Settings
Version
None
×
Made by
Andreas Fertig
Powered by
Flask
and
CodeMirror
Source:
#include <iostream> template<class... Args> auto dot(Args... args) { auto a = [args...](Args...) { return [=](auto... brgs) { static_assert(sizeof...(args) == sizeof...(brgs)); auto v1 = {args...} ; auto i1 = v1.begin(); auto v2 = {brgs...}; auto i2 = v2.begin(); typename std::common_type<Args...>::type s = 0; while( i1 != v1.end() && i2!= v2.end()) { s += *i1++ * *i2++; } return s; }; }; return a(std::forward<Args>(args)...); } int main() { auto a = dot(1,3,-5)(4,-2,-1); std::cout << a << std::endl; }
Insight:
Console: