Function Rf_any_duplicated_unchecked 

unsafe extern "C-unwind" fn Rf_any_duplicated_unchecked(
    x: SEXP,
    fromLast: Rboolean,
) -> R_xlen_t

Find first duplicated element.

Parameters

• x: Vector to search
• fromLast: If TRUE, search from end

Returns

0 if no duplicates, otherwise 1-indexed position of first duplicate. Unchecked FFI binding for Rf_any_duplicated. Generated from source location line 3765, column 8. Generated from source file miniextendr-api/src/ffi.rs.