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Make filter iterators generic for all iterators

This commit is contained in:
Matthias Beyer 2017-07-15 16:17:43 +02:00
parent 049d853cba
commit 797ce777b7
1 changed files with 25 additions and 12 deletions
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37
libimagentrytimetrack/src/iter/filter.rs
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@ -20,6 +20,7 @@
use error::TimeTrackError as TTE;
use error::TimeTrackErrorKind as TTEK;
use error::MapErrInto;
use result::Result;
use libimagstore::store::FileLockEntry;
use libimagstore::store::Store;
@ -30,14 +31,18 @@ use iter::get::GetTimeTrackIter;
use tag::TimeTrackingTag as TTT;
use timetracking::TimeTracking;
pub struct WithOneOf<'a> {
iter: GetTimeTrackIter<'a>,
pub struct WithOneOf<'a, I>
where I: Iterator<Item = Result<FileLockEntry<'a>>>
{
iter: I,
allowed_tags: &'a Vec<TTT>,
}
impl<'a> WithOneOf<'a> {
impl<'a, I> WithOneOf<'a, I>
where I: Iterator<Item = Result<FileLockEntry<'a>>>
{
pub fn new(iter: GetTimeTrackIter<'a>, allowed_tags: &'a Vec<TTT>) -> WithOneOf<'a> {
pub fn new(iter: I, allowed_tags: &'a Vec<TTT>) -> WithOneOf<'a, I> {
WithOneOf {
iter: iter,
allowed_tags: allowed_tags
@ -45,8 +50,10 @@ impl<'a> WithOneOf<'a> {
}
}
impl<'a> Iterator for WithOneOf<'a> {
type Item = Result<FileLockEntry<'a>, TTE>;
impl<'a, I> Iterator for WithOneOf<'a, I>
where I: Iterator<Item = Result<FileLockEntry<'a>>>
{
type Item = Result<FileLockEntry<'a>>;
fn next(&mut self) -> Option<Self::Item> {
loop {
@ -69,14 +76,18 @@ impl<'a> Iterator for WithOneOf<'a> {
}
pub struct WithNoneOf<'a> {
iter: GetTimeTrackIter<'a>,
pub struct WithNoneOf<'a, I>
where I: Iterator<Item = Result<FileLockEntry<'a>>>
{
iter: I,
disallowed_tags: &'a Vec<TTT>,
}
impl<'a> WithNoneOf<'a> {
impl<'a, I> WithNoneOf<'a, I>
where I: Iterator<Item = Result<FileLockEntry<'a>>>
{
pub fn new(iter: GetTimeTrackIter<'a>, disallowed_tags: &'a Vec<TTT>) -> WithNoneOf<'a> {
pub fn new(iter: I, disallowed_tags: &'a Vec<TTT>) -> WithNoneOf<'a, I> {
WithNoneOf {
iter: iter,
disallowed_tags: disallowed_tags
@ -84,8 +95,10 @@ impl<'a> WithNoneOf<'a> {
}
}
impl<'a> Iterator for WithNoneOf<'a> {
type Item = Result<FileLockEntry<'a>, TTE>;
impl<'a, I> Iterator for WithNoneOf<'a, I>
where I: Iterator<Item = Result<FileLockEntry<'a>>>
{
type Item = Result<FileLockEntry<'a>>;
fn next(&mut self) -> Option<Self::Item> {
loop {