feat(parser): include a get_name function for variants

lachs_derive/src/token.rs

@@ -73,11 +73,18 @@ pub fn impl_token_macro(item: syn::Item, attrs: Punctuated<Ident, Comma>) -> Tok
     });
 
     let struct_variants = variants_with_fields.clone().map(|(ident, fields, _)| {
+        let value = ident.to_string();
         quote! {
             #[derive(Debug, Clone)]
             #vis struct #ident {
                 #fields
             }
+
+            impl #ident {
+                pub fn get_name(&self) -> String {
+                    String::from(#value)
+                }
+            }
         }
     });
 
@@ -93,6 +100,13 @@ pub fn impl_token_macro(item: syn::Item, attrs: Punctuated<Ident, Comma>) -> Tok
         }
     });
 
+    let get_name_cases = variants_with_fields.clone().map(|(ident, _, _)| {
+        let value = ident.to_string();
+        quote! {
+            Self::#ident(_) => String::from(#value),
+        }
+    });
+
     let insertions = variants_with_fields
         .clone()
         .map(|(_, _, insertion)| insertion);
@@ -121,6 +135,12 @@ pub fn impl_token_macro(item: syn::Item, attrs: Punctuated<Ident, Comma>) -> Tok
                 }
             }
 
+            pub fn get_name(&self) -> String {
+                match self {
+                    #(#get_name_cases)*
+                }
+            }
+
             fn does_equal(&self, other: &Self) -> bool {
                 self.position() == other.position()
             }