Module sexp_ext 

SexpExt and PairListExt — the ergonomic extension traits on SEXP. SexpExt — the ergonomic extension trait on SEXP — and PairListExt, its pairlist (call) counterpart.

Provides safe(r) accessors and type checks. This is the actual user-facing API surface most callers reach for; both are re-exported from crate::prelude.

Structs

PairListArgs

The arguments of a call, or the elements of a pairlist, as (name, value): see PairListExt::args.

Traits

PairListExt

Pairlist (cons cell) operations on a SEXP: R’s calls (LANGSXP) and pairlists (LISTSXP, such as formals(f) or pairlist(...)).

SexpExt

Extension trait for SEXP providing safe(r) accessors and type checking.