Struct extendr_api::wrapper::Lang

pub struct Lang<T>(pub T);

Wrapper for creating language objects.

use extendr_api::prelude::*;
test! {
    let call_to_xyz = r!(Lang(&[r!(Symbol("xyz")), r!(1), r!(2)]));
    assert_eq!(call_to_xyz.is_language(), true);
    assert_eq!(call_to_xyz.len(), 3);
}

Note: You can use the lang! macro for this.

Trait Implementations

impl<T: Clone> Clone for Lang<T>

fn clone(&self) -> Lang<T>

Returns a copy of the value.

pub fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl<T: Debug> Debug for Lang<T>

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl<T> From<Lang<T>> for Robj where
    T: IntoIterator,
    T::IntoIter: DoubleEndedIterator,
    T::Item: Into<Robj>, 

fn from(val: Lang<T>) -> Self

Convert a wrapper to an R language object.

impl<T: PartialEq> PartialEq<Lang<T>> for Lang<T>

fn eq(&self, other: &Lang<T>) -> bool

This method tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Lang<T>) -> bool

This method tests for !=.

impl<T> StructuralPartialEq for Lang<T>