New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Jump to bottom

implement stream operator "auto operator<<(std::ostream& os, const T& t) -> decltype(t.print(os), os) " #111

Open

HerbertKoelman opened this issue Dec 9, 2016 · 0 comments

Assignees

Labels

Milestone

Owner

HerbertKoelman commented Dec 9, 2016

In C++14 you can use the following template to print any object which has a T::print(std::ostream&)const; member.

template
auto operator<<(std::ostream& os, const T& t) -> decltype(t.print(os), os)
{
t.print(os);
return os;
}

HerbertKoelman added the enhancement label

HerbertKoelman added this to the v5.0.0 milestone

HerbertKoelman self-assigned this

Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment