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|
use std::{
ops,
marker,
iter
};
use utils::{
NewFromPtr,
};
use Query;
use Thread;
use ffi;
#[derive(Debug)]
pub struct Threads<'q, 'd:'q>(
*mut ffi::notmuch_threads_t,
marker::PhantomData<&'q mut 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, marker::PhantomData)
}
}
impl<'q, 'd> ops::Drop for Threads<'q, 'd> {
fn drop(&mut self) {
unsafe {
ffi::notmuch_threads_destroy(self.0)
};
}
}
impl<'q, 'd> iter::Iterator for Threads<'q, 'd> {
type Item = Thread<'q, 'd>;
fn next(&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))
}
}
|
