Function Rf_lengthgets 

unsafe fn Rf_lengthgets(x: SEXP, newlen: R_xlen_t) -> SEXP

Set vector length.

For short vectors (length < 2^31). Checked wrapper for Rf_lengthgets. Calls Rf_lengthgets_unchecked and routes through with_r_thread. Generated from source location line 3837, column 8. Generated from source file miniextendr-api/src/ffi.rs.