Supporting tag references including subtags

References for #tag includes references like #tag/subtag

TestFiles/Another Test.md

@@ -19,5 +19,5 @@ This file is popppinnng, 2 links to it.
 [[Test#Heading 1 2]]
 [[Test#Heading 1 2]]
 
-#tag
+#tag/test
 

src/references.rs

@@ -1,5 +1,6 @@
 use std::path::Path;
 
+use itertools::Itertools;
 use tower_lsp::lsp_types::{Position, Location, Url};
 
 use crate::vault::{Vault, Referenceable};
@@ -19,24 +20,24 @@ pub fn references(vault: &Vault, cursor_position: Position, path: &Path) -> Opti
 
 
     let references = vault.select_references(None)?;
-    let locations = |reference_text| references.iter()
-        .filter(move |r| r.1.reference_text == reference_text)
+    let locations = |referenceable: &Referenceable| references.iter()
+        .filter(|&r| referenceable.is_reference(&vault.root_dir(), &r.1.reference_text))
         .map(|link| Url::from_file_path(link.0).map(|good| Location {uri: good, range: link.1.range}))
         .flat_map(|l| match l.is_ok() {
             true => Some(l),
             false => None
         })
-        .flatten();
+        .flatten()
+        .collect_vec();
 
     return match linkable {
         Referenceable::File(_, _) => {
             return Some(linkable_nodes.iter()
                 .filter(|&referenceable| !matches!(referenceable, &Referenceable::Tag(_, _)))
-                .filter_map(|linkable| linkable.get_refname(vault.root_dir()))
-                .map(|refname| locations(refname))
+                .map(|referenceable| locations(referenceable))
                 .flatten()
                 .collect())
         }
-        _ => linkable.get_refname(vault.root_dir()).and_then(|r| Some(locations(r).collect()))
+        _ => Some(locations(linkable))
     }
 }

src/vault.rs

@@ -164,7 +164,7 @@ pub struct Vault {
     root_dir: PathBuf,
 }
 
-#[derive(Debug)]
+#[derive(Debug, Clone)]
 /// Linkable algebreic type that easily allows for new linkable nodes to be added if necessary and everything in it should live the same amount because it is all from vault
 /// These will also use the current obsidian syntax to come up with reference names for the linkables. These are the things that are using in links ([[Refname]])
 pub enum Referenceable<'a> {
@@ -188,6 +188,13 @@ impl Referenceable<'_> {
         }
     }
 
+    pub fn is_reference(&self, root_dir: &Path, reference: &str) -> bool {
+        match self {
+            &Referenceable::Tag(_, tag) => self.get_refname(root_dir).is_some_and(|refname| reference.starts_with(&refname)),
+            _ => self.get_refname(root_dir) == Some(reference.to_string())
+        }
+    }
+
     pub fn get_path(&self) -> &PathBuf {
         match self {
             &Referenceable::File(path, _) => path,