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impl_tuple_try_from_sexp

miniextendr_api::from_r::tuples

Macro impl_tuple_try_from_sexp 

Source 
macro_rules! impl_tuple_try_from_sexp {
    (($($T:ident),+), ($($idx:tt),+), $n:expr) => { ... };
}
Expand description

Implement TryFromSexp for tuples of various sizes (1-8). Reads an unnamed R list (VECSXP) positionally; mirrors impl_tuple_into_r!.