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-rw-r--r--src/doc/style-guide/src/expressions.md10
1 files changed, 10 insertions, 0 deletions
diff --git a/src/doc/style-guide/src/expressions.md b/src/doc/style-guide/src/expressions.md
index 143161da6cf..40183063869 100644
--- a/src/doc/style-guide/src/expressions.md
+++ b/src/doc/style-guide/src/expressions.md
@@ -803,6 +803,16 @@ foo(|param| {
     action();
     foo(param)
 })
+
+let x = combinable([
+    an_expr,
+    another_expr,
+]);
+
+let arr = [combinable(
+    an_expr,
+    another_expr,
+)];
 ```
 
 Such behaviour should extend recursively, however, tools may choose to limit the