Trait RFromIter 

pub trait RFromIter<T>: Sized {
    // Required method
    fn from_vec(items: Vec<T>) -> Self;
}

Adapter trait for std::iter::FromIterator.

Provides collection construction from iterators/vectors for R. Unlike RExtend, this creates a new collection from items.

Methods

• from_vec(items) - Create a new collection from a vector

Example

#[derive(ExternalPtr)]
struct MySet(std::collections::HashSet<i32>);

impl RFromIter<i32> for MySet {
    fn from_vec(items: Vec<i32>) -> Self {
        Self(items.into_iter().collect())
    }
}

#[miniextendr]
impl RFromIter<i32> for MySet {}

In R:

set <- MySet$from_vec(c(1L, 2L, 2L, 3L))  # Creates {1, 2, 3}

Required Methods

fn from_vec(items: Vec<T>) -> Self

Create a new collection from a vector of items.

Dyn Compatibility

This trait is not dyn compatible.

In older versions of Rust, dyn compatibility was called "object safety", so this trait is not object safe.

Implementors

impl<C, T> RFromIter<T> for C

where C: FromIterator<T>,