How to debug GC leak

[Andrew Benton]

On Monday, 18 December 2017 at 07:03:14 UTC, Andrew Benton wrote:
> [snip]

Looking at dmd's gc profile, it looks like only 
std.array.Appender!string has allocated enough to be the culprit. 
End program memory was 110MB and the Appender!string had 
allocated 127MB totaly with Appender!(Json[]) coming in second at 
5.1MB.