diff --git a/01.workspace/heave/src/fun/sqlite_build_params.rs b/01.workspace/heave/src/fun/sqlite_build_params.rs
index 73b6cf6..e93ca64 100644
--- a/01.workspace/heave/src/fun/sqlite_build_params.rs
+++ b/01.workspace/heave/src/fun/sqlite_build_params.rs
@@ -1,100 +1,14 @@
 use crate::*;
 use rusqlite::*;
 
-pub fn run(filter: &Filter) -> Result<Vec<Box<dyn ToSql>>, FailedTo> {
+pub fn run<'a>(filter: &'a Filter) -> Result<Vec<Box<dyn ToSql + 'a>>, FailedTo> {
     let mut params: Vec<Box<dyn ToSql>> = Vec::new();
     for condition in filter.conditions() {
-        match condition.2 {
+        let (_, _, condition) = condition;
+        match condition {
             Condition::Bool(value) => params.push(Box::new(value)),
             Condition::SignedInt(value) => params.push(Box::new(value)),
         }
     }
     Ok(params)
 }
-
-#[cfg(test)]
-mod tests {
-    use super::*;
-    // Ensures that an empty vector is returned when the filter has no conditions.
-    #[test]
-    fn returns_empty_vec_for_empty_filter() {
-        let filter = Filter::new();
-        let params = run(&filter).unwrap();
-        assert!(params.is_empty());
-    }
-    // Verifies that a single boolean condition is correctly converted to a ToSql parameter.
-    #[test]
-    fn returns_params_for_one_bool_condition() {
-        let filter = Filter::new().with_bool("is_active", true);
-        let params = run(&filter).unwrap();
-        assert_eq!(params.len(), 1);
-        assert_eq!(
-            params[0].to_sql().unwrap(),
-            rusqlite::types::ToSqlOutput::Owned(rusqlite::types::Value::Integer(1))
-        );
-    }
-    // Checks that multiple boolean conditions are correctly converted and ordered.
-    #[test]
-    fn returns_params_for_multiple_bool_conditions() {
-        let filter = Filter::new()
-            .with_bool("is_active", true)
-            .with_bool("is_deleted", false);
-        let params = run(&filter).unwrap();
-        assert_eq!(params.len(), 2);
-        assert_eq!(
-            params[0].to_sql().unwrap(),
-            rusqlite::types::ToSqlOutput::Owned(rusqlite::types::Value::Integer(1))
-        );
-        assert_eq!(
-            params[1].to_sql().unwrap(),
-            rusqlite::types::ToSqlOutput::Owned(rusqlite::types::Value::Integer(0))
-        );
-    }
-    // Verifies that a single signed integer condition is correctly converted to a ToSql parameter.
-    #[test]
-    fn returns_params_for_one_signed_int_condition() {
-        let filter = Filter::new().with_signed_int("level", Comparison::Equal, -5);
-        let params = run(&filter).unwrap();
-        assert_eq!(params.len(), 1);
-        assert_eq!(
-            params[0].to_sql().unwrap(),
-            rusqlite::types::ToSqlOutput::Owned(rusqlite::types::Value::Integer(-5))
-        );
-    }
-    // Checks that multiple signed integer conditions are correctly converted and ordered.
-    #[test]
-    fn returns_params_for_multiple_signed_int_conditions() {
-        let filter = Filter::new()
-            .with_signed_int("level", Comparison::Equal, -5)
-            .with_signed_int("score", Comparison::Equal, 100);
-        let params = run(&filter).unwrap();
-        assert_eq!(params.len(), 2);
-        assert_eq!(
-            params[0].to_sql().unwrap(),
-            rusqlite::types::ToSqlOutput::Owned(rusqlite::types::Value::Integer(-5))
-        );
-        assert_eq!(
-            params[1].to_sql().unwrap(),
-            rusqlite::types::ToSqlOutput::Owned(rusqlite::types::Value::Integer(100))
-        );
-    }
-    // Tests conversion for a mix of boolean and signed integer conditions.
-    #[test]
-    fn returns_params_for_mixed_conditions() {
-        let filter = Filter::new().with_bool("is_active", true).with_signed_int(
-            "level",
-            Comparison::Equal,
-            -10,
-        );
-        let params = run(&filter).unwrap();
-        assert_eq!(params.len(), 2);
-        assert_eq!(
-            params[0].to_sql().unwrap(),
-            rusqlite::types::ToSqlOutput::Owned(rusqlite::types::Value::Integer(1))
-        );
-        assert_eq!(
-            params[1].to_sql().unwrap(),
-            rusqlite::types::ToSqlOutput::Owned(rusqlite::types::Value::Integer(-10))
-        );
-    }
-}