# vg/leak-check Trigger a valgrind memcheck leak report (no-op when not under valgrind). Output goes to valgrind's stderr. Debug-only namespace: it exists only in runtimes built with the `DEFT_VG` environment variable set (the `mk valgrind-leak` target does this). Normal user builds do not contain it. ## Syntax

[vg/leak-check]

## Returns bool