Struct IterComplexData 

pub struct IterComplexData<I>
where
    I: Iterator<Item = Rcomplex>,
{
    state: IterState<I, Rcomplex>,
}

Iterator-backed complex number vector data adaptor.

Wraps an iterator producing Rcomplex values and implements the data-level traits (AltrepLen + AltComplexData) for backing an ALTREP complex vector. To expose it to R, wrap it in a #[derive(AltrepComplex)] + #[altrep(manual)] struct (see the module docs).

Example

use miniextendr_api::altrep_data::IterComplexData;
use miniextendr_api::Rcomplex;

let iter = (0..5).map(|x| Rcomplex { r: x as f64, i: (x * 2) as f64 });
let data = IterComplexData::from_iter(iter, 5);

Fields

state: IterState<I, Rcomplex>

Implementations

impl<I> IterComplexData<I>

where I: Iterator<Item = Rcomplex>,

pub fn from_iter(iter: I, len: usize) -> Self

Create from an iterator with explicit length.

impl<I> IterComplexData<I>

where I: ExactSizeIterator<Item = Rcomplex>,

pub fn from_exact_iter(iter: I) -> Self

Create from an ExactSizeIterator (length auto-detected).

Trait Implementations

impl<I> AltComplexData for IterComplexData<I>

where I: Iterator<Item = Rcomplex>,

fn elt(&self, i: usize) -> Rcomplex

Get the complex element at index i.

fn as_slice(&self) -> Option<&[Rcomplex]>

Optional: return a slice if data is contiguous.

fn get_region(&self, start: usize, len: usize, buf: &mut [Rcomplex]) -> usize

Optional: bulk read into buffer (clamped to available data).

impl<I> AltrepLen for IterComplexData<I>

where I: Iterator<Item = Rcomplex>,

fn len(&self) -> usize

Returns the length of this ALTREP vector.

fn is_empty(&self) -> bool

Returns true if the vector is empty.

Layout

Note: Unable to compute type layout, possibly due to this type having generic parameters. Layout can only be computed for concrete, fully-instantiated types.