Add Send + Sync to common traits

api/src/dataset.rs

@@ -56,7 +56,7 @@ pub trait Dataset {
     where
         Self: 'x;
     /// The error type that this dataset may raise.
-    type Error: Error + 'static;
+    type Error: Error + 'static + Send + Sync;
 
     /// An iterator visiting all quads of this dataset in arbitrary order.
     ///

api/src/graph.rs

@@ -53,7 +53,7 @@ pub trait Graph {
     where
         Self: 'x;
     /// The error type that this graph may raise.
-    type Error: Error + 'static;
+    type Error: Error + 'static + Send + Sync;
 
     /// An iterator visiting all triples of this graph in arbitrary order.
     ///

api/src/source.rs

@@ -87,7 +87,7 @@ pub trait Source {
     /// The type of items this source yields.
     type Item<'x>;
     /// The type of errors produced by this source.
-    type Error: Error + 'static;
+    type Error: Error + 'static + Send + Sync;
 
     /// Call f for some item(s) (possibly zero) from this source, if any.
     ///
@@ -200,7 +200,7 @@ pub trait Source {
 impl<'a, I, T, E> Source for I
 where
     I: Iterator<Item = Result<T, E>> + 'a,
-    E: Error + 'static,
+    E: Error + 'static + Send + Sync,
 {
     type Item<'x> = T;
     type Error = E;

api/src/term.rs

@@ -575,7 +575,7 @@ pub trait FromTerm: Sized {
 /// See also [`FromTerm`]
 pub trait TryFromTerm: Sized {
     /// The error type produced when failing to copy a given term
-    type Error: 'static + std::error::Error;
+    type Error: 'static + std::error::Error + Send + Sync;
     /// Try to copy `term` into an instance of this type.
     fn try_from_term<T: Term>(term: T) -> Result<Self, Self::Error>;
 }

inmem/src/dataset.rs

@@ -14,7 +14,7 @@ use _iter::*;
 
 /// A dataset with a single quad index (GSPO).
 /// Fast to load but slow on some queries, with a relatively low memory footprint.
-#[derive(Clone, Debug, Default)]
+#[derive(Clone, Debug, Default, PartialEq)]
 pub struct GenericLightDataset<TI: TermIndex> {
     terms: TI,
     quads: BTreeSet<[TI::Index; 4]>,
@@ -194,7 +194,7 @@ impl<TI: GraphNameIndex> SetDataset for GenericLightDataset<TI> {}
 
 /// A heavily indexed dataset.
 /// Fast to query but slow to load, with a relatively high memory footprint.
-#[derive(Clone, Debug, Default)]
+#[derive(Clone, Debug, Default, PartialEq)]
 pub struct GenericFastDataset<TI: GraphNameIndex> {
     terms: TI,
     gspo: BTreeSet<[TI::Index; 4]>,

inmem/src/index.rs

@@ -64,7 +64,7 @@ pub trait TermIndex {
     /// The type of [indices](Index) used by this [`TermIndex`]
     type Index: Index;
     /// The type of error that this [`TermIndex`] may raise
-    type Error: Error + 'static;
+    type Error: Error + 'static + Send + Sync;
 
     /// Get the index corresponding to term `t`, if it exists.
     ///

rio/src/parser.rs

@@ -17,7 +17,7 @@ pub struct StrictRioTripleSource<T>(pub T);
 impl<T> sophia_api::source::Source for StrictRioTripleSource<T>
 where
     T: rio_api::parser::TriplesParser,
-    T::Error: Error + 'static,
+    T::Error: Error + 'static + Send + Sync,
 {
     type Item<'x> = Trusted<rio_api::model::Triple<'x>>;
 
@@ -50,7 +50,7 @@ pub struct StrictRioQuadSource<T>(pub T);
 impl<T> sophia_api::source::Source for StrictRioQuadSource<T>
 where
     T: rio_api::parser::QuadsParser,
-    T::Error: Error + 'static,
+    T::Error: Error + 'static + Send + Sync,
 {
     type Item<'x> = Trusted<rio_api::model::Quad<'x>>;
 
@@ -83,7 +83,7 @@ pub struct GeneralizedRioSource<T>(pub T);
 impl<T> sophia_api::source::Source for GeneralizedRioSource<T>
 where
     T: rio_api::parser::GeneralizedQuadsParser,
-    T::Error: Error + 'static,
+    T::Error: Error + 'static + Send + Sync,
 {
     type Item<'x> = Trusted<rio_api::model::GeneralizedQuad<'x>>;