Method from_iter

crates/stdlib/src/posixsubprocess.rs:98–108

(iter: I)

impl<'a, T: AsRef<CStr>> FromIterator<&'a T> for CharPtrVec<'a> {
    fn from_iter<I: IntoIterator<Item = &'a T>>(iter: I) -> Self {
        let vec = iter
            .into_iter()
            .map(|x| x.as_ref().as_ptr())
            .chain(core::iter::once(core::ptr::null()))
            .collect();
        Self {
            vec,
            marker: PhantomData,
        }
    }
}

impl<'a> Deref for CharPtrVec<'a> {