diff --git a/src/sharry/ids.rs b/src/sharry/ids.rs
index f2627c1..3fc3dfd 100644
--- a/src/sharry/ids.rs
+++ b/src/sharry/ids.rs
@@ -106,7 +106,7 @@ mod tests {
 
     #[test]
     fn basic_traits_working() {
-        let inputs = vec![
+        let inputs = [
             "",
             "abcd",
             "12345",
@@ -142,7 +142,7 @@ mod tests {
     #[test]
     fn valid_urls_produce_expected_file_id() {
         // a handful of valid‐looking URLs
-        let cases = vec![
+        let cases = [
             (
                 "http://example.com/api/v2/alias/upload/SID123/files/tus/FID456",
                 "FID456",
@@ -169,7 +169,7 @@ mod tests {
 
     #[test]
     fn invalid_urls_return_error() {
-        let bad_inputs = vec![
+        let bad_inputs = [
             // missing /api/v2/alias/upload
             "http://example.com/files/tus/FID",
             // missing /files/tus
diff --git a/src/sharry/json.rs b/src/sharry/json.rs
index f6292c9..0131a54 100644
--- a/src/sharry/json.rs
+++ b/src/sharry/json.rs
@@ -59,7 +59,7 @@ mod tests {
 
     #[test]
     fn nsreq_new_sets_fields_correctly() {
-        let cases: Vec<(&str, u32)> = vec![
+        let cases = [
             // simple ASCII name, small view count
             ("alice", 1),
             // underscores, mid-range views
@@ -95,7 +95,7 @@ mod tests {
     fn nsreq_new_allows_setting_description() {
         let longstr = "y".repeat(256);
 
-        let cases = vec![
+        let cases = [
             // simple alphanumeric
             "A simple test user",
             // whitespace & punctuation
diff --git a/src/sharry/uri.rs b/src/sharry/uri.rs
index a6dfaa3..20eb1d8 100644
--- a/src/sharry/uri.rs
+++ b/src/sharry/uri.rs
@@ -104,7 +104,7 @@ mod tests {
 
     #[test]
     fn basic_traits_working() {
-        let cases = vec![
+        let cases = [
             // simple http host
             "http://example.com",
             // https host with port
@@ -122,7 +122,7 @@ mod tests {
 
     #[test]
     fn valid_urls_produce_expected_uri() {
-        let cases = vec![
+        let cases = [
             // simple http host
             ("http://example.com", "http://example.com"),
             // https host with port
@@ -143,7 +143,7 @@ mod tests {
 
     #[test]
     fn invalid_urls_passed_through() {
-        let cases = vec![
+        let cases = [
             // missing “://”
             "http:/example.com",
             // missing scheme
@@ -165,7 +165,7 @@ mod tests {
 
     #[test]
     fn test_endpoint() {
-        let cases = vec![
+        let cases = [
             // simple path
             ("path/to/something", "/api/v2/path/to/something"),
             // underscores, hyphens, dots