search for: set_envflags

...a C function, R_LockEnvironment, but, as far as I can tell, no corresponding function to unlock an environment. Is this omission on principle or just something that has not been done yet? I ask because several packages, including the well-used R6 and rlang packages, fiddle with some bits in with SET_ENVFLAGS and ENVFLAGS to unlock an environment. (See grep output below.) About 5000 (1/3 of CRAN) packages depend on R6 or rlang. Should R supply a more disciplined way of unlocking an environment? Bill Dunlap TIBCO Software wdunlap tibco.com $ { find . -type f -print0 | xargs -0 grep -n -C 2 ENVFLAGS...