feat: add send/sync requirements to core traits

Author: feldroop

src/lib.rs

@@ -111,7 +111,7 @@ pub use {
 
 /// Possible element types of input texts and output data structures storing text elements implement this trait.
 /// You cannot implement it and don't need to.
-pub trait InputElement: Sealed + PrimInt + std::fmt::Debug + std::fmt::Display + 'static {
+pub trait InputElement: Sealed + PrimInt + Debug + Display + Send + Sync + 'static {
     const RECOMMENDED_EXTRA_SPACE: usize;
 
     type SingleThreadedOutputDispatcher<O: OutputElementOrUndecided>: OutputDispatch<Self, O>;
@@ -121,7 +121,7 @@ pub trait InputElement: Sealed + PrimInt + std::fmt::Debug + std::fmt::Display +
 
 /// Possible element types of output data structures storing indices implement this trait.
 /// You cannot implement it and don't need to.
-pub trait OutputElement: Sealed + PrimInt + std::fmt::Debug + std::fmt::Display + 'static {
+pub trait OutputElement: Sealed + PrimInt + Debug + Display + Send + Sync + 'static {
     type SingleThreaded8InputFunctions: LibsaisFunctionsSmallAlphabet<u8, Self>
         + LibsaisLcpFunctions<u8, Self>;
     type SingleThreaded16InputFunctions: LibsaisFunctionsSmallAlphabet<u16, Self>
@@ -207,7 +207,7 @@ impl LibsaisError {
 
 impl Display for LibsaisError {
     fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
-        <LibsaisError as std::fmt::Debug>::fmt(self, f)
+        <LibsaisError as Debug>::fmt(self, f)
     }
 }