pico_enumeration/
helpers.rs

1use crate::{EnumeratedDevice, EnumerationError};
2use pico_common::Driver;
3
4pub trait EnumResultHelpers {
5    fn missing_drivers(&self) -> Vec<Driver>;
6    fn devices_and_errors(self) -> (Vec<EnumeratedDevice>, Vec<EnumerationError>);
7}
8
9impl EnumResultHelpers for Vec<Result<EnumeratedDevice, EnumerationError>> {
10    fn missing_drivers(&self) -> Vec<Driver> {
11        let mut failed_results = self
12            .iter()
13            .flat_map(|r| match r {
14                Err(EnumerationError::DriverLoadError { driver, .. }) => Some(*driver),
15                Err(EnumerationError::VersionError { driver, .. }) => Some(*driver),
16                _ => None,
17            })
18            .collect::<Vec<Driver>>();
19
20        failed_results.sort();
21        failed_results.dedup();
22        failed_results
23    }
24
25    fn devices_and_errors(self) -> (Vec<EnumeratedDevice>, Vec<EnumerationError>) {
26        let (devices, errors): (Vec<_>, Vec<_>) = self.into_iter().partition(|e| e.is_ok());
27
28        (
29            devices.into_iter().map(|r| r.unwrap()).collect(),
30            errors.into_iter().map(|r| r.unwrap_err()).collect(),
31        )
32    }
33}
pico_enumeration/helpers.rs

pico_enumeration/
helpers.rs
