Macro object-like

LANGSXP is an object-like macro defining the SEXPTYPE type of language constructs such call and formula objects.

Declaration

#define LANGSXP 6 /* language constructs (special lists) */

In Rinternals.h.

References

https://cran.r-project.org/doc/manuals/r-patched/R-ints.html#SEXPTYPEs

See also