inspect([]) => []

src/builtin/meta.rs

@@ -1,7 +1,7 @@
 use std::collections::HashMap;
 
 use super::{Builtin, GLOBAL_FUNCTIONS};
-use crate::common::QuoteKind;
+use crate::common::{Brackets, QuoteKind};
 use crate::scope::global_var_exists;
 use crate::unit::Unit;
 use crate::value::Value;
@@ -81,7 +81,10 @@ pub(crate) fn register(f: &mut HashMap<String, Builtin>) {
             max_args!(args, 1);
             Ok(Value::Ident(
                 match arg!(args, 0, "value") {
-                    Value::List(v, ..) if v.is_empty() => "()".to_string(),
+                    Value::List(v, _, brackets) if v.is_empty() => match brackets {
+                        Brackets::None => "()".to_string(),
+                        Brackets::Bracketed => "[]".to_string(),
+                    },
                     v => v.to_string(),
                 },
                 QuoteKind::None,

tests/meta.rs

@@ -239,6 +239,11 @@ test!(
     "a {\n  color: inspect(null)\n}\n",
     "a {\n  color: null;\n}\n"
 );
+test!(
+    inspect_empty_brackets,
+    "a {\n  color: inspect([]);\n}\n",
+    "a {\n  color: [];\n}\n"
+);
 test!(
     variable_does_exist,
     "$a: red; a {\n  color: variable-exists(a)\n}\n",