2 files changed, 7 insertions, 4 deletions

diff --git a/crates/hir_expand/src/db.rs b/crates/hir_expand/src/db.rs
index 7e02ed036..1389e30db 100644
--- a/crates/hir_expand/src/db.rs
+++ b/crates/hir_expand/src/db.rs
@@ -27,10 +27,15 @@ const TOKEN_LIMIT: usize = 524288;
 
 #[derive(Debug, Clone, Eq, PartialEq)]
 pub enum TokenExpander {
+    /// Old-style `macro_rules`.
     MacroRules(mbe::MacroRules),
+    /// AKA macros 2.0.
     MacroDef(mbe::MacroDef),
+    /// Stuff like `line!` and `file!`.
     Builtin(BuiltinFnLikeExpander),
+    /// `derive(Copy)` and such.
     BuiltinDerive(BuiltinDeriveExpander),
+    /// The thing we love the most here in rust-analyzer -- procedural macros.
     ProcMacro(ProcMacroExpander),
 }
 
diff --git a/crates/rust-analyzer/src/integrated_benchmarks.rs b/crates/rust-analyzer/src/integrated_benchmarks.rs
index 411446b04..3dcbe397a 100644
--- a/crates/rust-analyzer/src/integrated_benchmarks.rs
+++ b/crates/rust-analyzer/src/integrated_benchmarks.rs
@@ -21,8 +21,7 @@ use crate::cli::load_cargo::{load_workspace_at, LoadCargoConfig};
 
 #[test]
 fn integrated_highlighting_benchmark() {
-    // Don't run slow benchmark by default
-    if true {
+    if std::env::var("RUN_SLOW_BENCHES").is_err() {
         return;
     }
 
@@ -76,8 +75,7 @@ fn integrated_highlighting_benchmark() {
 
 #[test]
 fn integrated_completion_benchmark() {
-    // Don't run slow benchmark by default
-    if true {
+    if std::env::var("RUN_SLOW_BENCHES").is_err() {
         return;
     }