nix-super/src/libutil/finally.hh
Eelco Dolstra aa3bc3d5dc Eliminate the substituter mechanism
Substitution is now simply a Store -> Store copy operation, most
typically from BinaryCacheStore to LocalStore.
2016-04-29 13:57:08 +02:00

12 lines
225 B
C++

#pragma once
/* A trivial class to run a function at the end of a scope. */
class Finally
{
private:
std::function<void()> fun;
public:
Finally(std::function<void()> fun) : fun(fun) { }
~Finally() { fun(); }
};