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use std::ops::Drop;
use std::iter::Iterator;
use std::marker::PhantomData;
use utils::NewFromPtr;
use Query;
use Thread;
use ffi;
#[derive(Debug)]
pub struct Threads<'q, 'd:'q>(
*mut ffi::notmuch_threads_t,
PhantomData<&'q Query<'d>>,
);
impl<'q, 'd> NewFromPtr<*mut ffi::notmuch_threads_t> for Threads<'q, 'd> {
fn new(ptr: *mut ffi::notmuch_threads_t) -> Threads<'q, 'd> {
Threads(ptr, PhantomData)
}
}
impl<'q, 'd> Drop for Threads<'q, 'd> {
fn drop(&mut self) {
unsafe {
ffi::notmuch_threads_destroy(self.0)
};
}
}
impl<'q, 'd> Iterator for Threads<'q, 'd> {
type Item = Thread<'q, 'd>;
fn next(self: &mut Self) -> Option<Self::Item> {
let valid = unsafe {
ffi::notmuch_threads_valid(self.0)
};
if valid == 0{
return None;
}
let cthread = unsafe {
let t = ffi::notmuch_threads_get(self.0);
ffi::notmuch_threads_move_to_next(self.0);
t
};
Some(Self::Item::new(cthread))
}
}
unsafe impl<'q, 'd> Send for Threads<'q, 'd> {}
unsafe impl<'q, 'd> Sync for Threads<'q, 'd> {}
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