DMD and GDC are unnecessarily using heap allocations for closures

[user1234]

On Monday, 30 May 2022 at 06:47:24 UTC, Siarhei Siamashka wrote:
> Consider the following example:
>
> ```D
> import std.algorithm, std.range, std.stdio;
>
> [...]

maybe `private long binary_search(long n, long val, long i){...}` 
will make think other compilers that the stuff is only used 
localy ?