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solve reducer generic using phantom data

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This commit is contained in:
Andrea Fioraldi 2020-10-29 17:49:10 +01:00
parent 9c30a42667
commit 889ee1e99c
1 changed files with 7 additions and 4 deletions
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11
src/feedbacks/mod.rs
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@ -5,6 +5,7 @@ use crate::executors::Executor;
use crate::observers::MapObserver;
use num::Integer;
use std::marker::PhantomData;
pub trait Feedback {
/// is_interesting should return the "Interestingness" from 0 to 255 (percent times 2.55)
@ -27,12 +28,13 @@ pub trait MinReducer<T: Integer + Copy + 'static> {
}
}
pub struct MapFeedback<MapT: Integer + Copy + 'static> {
pub struct MapFeedback<MapT: Integer + Copy + 'static, ReducerT: Reducer<MapT>> {
virgin_map: Vec<MapT>,
_phantom: PhantomData<ReducerT>,
}
impl<'a, MapT: Integer + Copy + 'static, ReducerT: Reducer<MapT>> Feedback for MapFeedback<MapT> {
fn is_interesting(&mut self, executor: &dyn Executor, entry: &dyn Testcase) -> u8 {
impl<'a, MapT: Integer + Copy + 'static, ReducerT: Reducer<MapT>> Feedback for MapFeedback<MapT, ReducerT> {
fn is_interesting(&mut self, executor: &dyn Executor, _entry: &dyn Testcase) -> u8 {
let mut interesting = 0;
for observer in executor.get_observers() {
if let Some(o) = observer.as_any().downcast_ref::<MapObserver<MapT>>() {
@ -53,11 +55,12 @@ impl<'a, MapT: Integer + Copy + 'static, ReducerT: Reducer<MapT>> Feedback for M
}
}
impl<'a, MapT: Integer + Copy + 'static> MapFeedback<MapT> {
impl<'a, MapT: Integer + Copy + 'static, ReducerT: Reducer<MapT>> MapFeedback<MapT, ReducerT> {
/// Create new MapFeedback using a static map observer
pub fn new(map_size: usize) -> Self {
MapFeedback {
virgin_map: vec![MapT::zero(); map_size],
_phantom: PhantomData,
}
}
}