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use std::collections::HashMap;
use holochain_integrity_types::LinkTypeFilter;
use holochain_wasmer_guest::WasmError;
use crate::prelude::*;
#[cfg(doc)]
pub mod examples;
pub trait LinkTypeFilterExt {
fn try_into_filter(self) -> Result<LinkTypeFilter, WasmError>;
}
impl LinkTypeFilterExt for core::ops::RangeFull {
fn try_into_filter(self) -> Result<LinkTypeFilter, WasmError> {
let out = zome_info()?.zome_types.links.dependencies().collect();
Ok(LinkTypeFilter::Dependencies(out))
}
}
impl LinkTypeFilterExt for LinkTypeFilter {
fn try_into_filter(self) -> Result<LinkTypeFilter, WasmError> {
Ok(self)
}
}
impl<T, E> LinkTypeFilterExt for Vec<T>
where
T: TryInto<ScopedLinkType, Error = E>,
WasmError: From<E>,
{
fn try_into_filter(self) -> Result<LinkTypeFilter, WasmError> {
let vec = self
.into_iter()
.try_fold(HashMap::new(), |mut map: HashMap<_, Vec<_>>, t| {
let scoped = TryInto::<ScopedLinkType>::try_into(t)?;
map.entry(scoped.zome_index)
.or_default()
.push(scoped.zome_type);
Ok(map)
})?
.into_iter()
.collect::<Vec<(_, Vec<_>)>>();
Ok(LinkTypeFilter::Types(vec))
}
}
impl<T, E, const N: usize> LinkTypeFilterExt for [T; N]
where
T: TryInto<ScopedLinkType, Error = E>,
WasmError: From<E>,
{
fn try_into_filter(self) -> Result<LinkTypeFilter, WasmError> {
self.into_iter()
.map(TryInto::<ScopedLinkType>::try_into)
.collect::<Result<Vec<_>, _>>()?
.try_into_filter()
}
}
impl<T, E, const N: usize> LinkTypeFilterExt for &[T; N]
where
for<'a> &'a T: TryInto<ScopedLinkType, Error = E>,
WasmError: From<E>,
{
fn try_into_filter(self) -> Result<LinkTypeFilter, WasmError> {
self.iter()
.map(TryInto::<ScopedLinkType>::try_into)
.collect::<Result<Vec<_>, _>>()?
.try_into_filter()
}
}
impl<T, E> LinkTypeFilterExt for &[T]
where
for<'a> &'a T: TryInto<ScopedLinkType, Error = E>,
WasmError: From<E>,
{
fn try_into_filter(self) -> Result<LinkTypeFilter, WasmError> {
self.iter()
.map(TryInto::<ScopedLinkType>::try_into)
.collect::<Result<Vec<_>, _>>()?
.try_into_filter()
}
}