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subtype_init

miniextendr_api::ffi::altrep

Function subtype_init 

Source 
pub const fn subtype_init(ptr: SEXP) -> R_altrep_class_t
Expand description

Creates an R_altrep_class_t from a SEXP pointer.

Rust equivalent of the C macro R_SUBTYPE_INIT(x) which expands to { x }.