The type of environment objects
ENVSXP.Rd
ENVSXP is an object-like macro defining the SEXPTYPE
type of environment objects.
Declaration
#define ENVSXP 4 /* environments */
In Rinternals.h.
References
https://cran.r-project.org/doc/manuals/r-patched/R-ints.html#SEXPTYPEs