Module extendr_api::ownership

Maintain ownership of R objects.

This provides the functions protect and unprotect. A single preserved vector holds ownership of all protected objects.

Objects are reference counted, so multiple calls are possible, unlike R_PreserveObject.

This module exports two functions, protect(sexp) and unprotect(sexp).

Modules

• send_sexp 🔒
  Provide a wrapper around R’s pointer type SEXP that is Send.

Structs

• Object 🔒
• Ownership 🔒

Constants

• EXTRA_PRESERVATION_SIZE
• INITIAL_PRESERVATION_SIZE

Statics

• OWNERSHIP 🔒

Functions

• protect 🔒 ^⚠
• unprotect 🔒 ^⚠