diff --git a/pkg/gen/gljimports/gljimports_darwin_amd64.go b/pkg/gen/gljimports/gljimports_darwin_amd64.go
index a2aec26..cec0deb 100644
--- a/pkg/gen/gljimports/gljimports_darwin_amd64.go
+++ b/pkg/gen/gljimports/gljimports_darwin_amd64.go
@@ -3466,6 +3466,7 @@ func RegisterImports(_register func(string, interface{})) {
 	_register("github.com/glojurelang/glojure/pkg/lang.ChunkedCons", reflect.TypeOf((*github_com_glojurelang_glojure_pkg_lang.ChunkedCons)(nil)).Elem())
 	_register("github.com/glojurelang/glojure/pkg/lang.*ChunkedCons", reflect.TypeOf((*github_com_glojurelang_glojure_pkg_lang.ChunkedCons)(nil)))
 	_register("github.com/glojurelang/glojure/pkg/lang.CloneThreadBindingFrame", github_com_glojurelang_glojure_pkg_lang.CloneThreadBindingFrame)
+	_register("github.com/glojurelang/glojure/pkg/lang.Compare", github_com_glojurelang_glojure_pkg_lang.Compare)
 	_register("github.com/glojurelang/glojure/pkg/lang.Comparer", reflect.TypeOf((*github_com_glojurelang_glojure_pkg_lang.Comparer)(nil)).Elem())
 	_register("github.com/glojurelang/glojure/pkg/lang.ConcatStrings", github_com_glojurelang_glojure_pkg_lang.ConcatStrings)
 	_register("github.com/glojurelang/glojure/pkg/lang.Conj", github_com_glojurelang_glojure_pkg_lang.Conj)
diff --git a/pkg/gen/gljimports/gljimports_darwin_arm64.go b/pkg/gen/gljimports/gljimports_darwin_arm64.go
index ab06fe1..d1bb8ae 100644
--- a/pkg/gen/gljimports/gljimports_darwin_arm64.go
+++ b/pkg/gen/gljimports/gljimports_darwin_arm64.go
@@ -3466,6 +3466,7 @@ func RegisterImports(_register func(string, interface{})) {
 	_register("github.com/glojurelang/glojure/pkg/lang.ChunkedCons", reflect.TypeOf((*github_com_glojurelang_glojure_pkg_lang.ChunkedCons)(nil)).Elem())
 	_register("github.com/glojurelang/glojure/pkg/lang.*ChunkedCons", reflect.TypeOf((*github_com_glojurelang_glojure_pkg_lang.ChunkedCons)(nil)))
 	_register("github.com/glojurelang/glojure/pkg/lang.CloneThreadBindingFrame", github_com_glojurelang_glojure_pkg_lang.CloneThreadBindingFrame)
+	_register("github.com/glojurelang/glojure/pkg/lang.Compare", github_com_glojurelang_glojure_pkg_lang.Compare)
 	_register("github.com/glojurelang/glojure/pkg/lang.Comparer", reflect.TypeOf((*github_com_glojurelang_glojure_pkg_lang.Comparer)(nil)).Elem())
 	_register("github.com/glojurelang/glojure/pkg/lang.ConcatStrings", github_com_glojurelang_glojure_pkg_lang.ConcatStrings)
 	_register("github.com/glojurelang/glojure/pkg/lang.Conj", github_com_glojurelang_glojure_pkg_lang.Conj)
diff --git a/pkg/gen/gljimports/gljimports_js_wasm.go b/pkg/gen/gljimports/gljimports_js_wasm.go
index e99d3d9..116b55c 100644
--- a/pkg/gen/gljimports/gljimports_js_wasm.go
+++ b/pkg/gen/gljimports/gljimports_js_wasm.go
@@ -3466,6 +3466,7 @@ func RegisterImports(_register func(string, interface{})) {
 	_register("github.com/glojurelang/glojure/pkg/lang.ChunkedCons", reflect.TypeOf((*github_com_glojurelang_glojure_pkg_lang.ChunkedCons)(nil)).Elem())
 	_register("github.com/glojurelang/glojure/pkg/lang.*ChunkedCons", reflect.TypeOf((*github_com_glojurelang_glojure_pkg_lang.ChunkedCons)(nil)))
 	_register("github.com/glojurelang/glojure/pkg/lang.CloneThreadBindingFrame", github_com_glojurelang_glojure_pkg_lang.CloneThreadBindingFrame)
+	_register("github.com/glojurelang/glojure/pkg/lang.Compare", github_com_glojurelang_glojure_pkg_lang.Compare)
 	_register("github.com/glojurelang/glojure/pkg/lang.Comparer", reflect.TypeOf((*github_com_glojurelang_glojure_pkg_lang.Comparer)(nil)).Elem())
 	_register("github.com/glojurelang/glojure/pkg/lang.ConcatStrings", github_com_glojurelang_glojure_pkg_lang.ConcatStrings)
 	_register("github.com/glojurelang/glojure/pkg/lang.Conj", github_com_glojurelang_glojure_pkg_lang.Conj)
diff --git a/pkg/gen/gljimports/gljimports_linux_amd64.go b/pkg/gen/gljimports/gljimports_linux_amd64.go
index e5310d5..034366f 100644
--- a/pkg/gen/gljimports/gljimports_linux_amd64.go
+++ b/pkg/gen/gljimports/gljimports_linux_amd64.go
@@ -3466,6 +3466,7 @@ func RegisterImports(_register func(string, interface{})) {
 	_register("github.com/glojurelang/glojure/pkg/lang.ChunkedCons", reflect.TypeOf((*github_com_glojurelang_glojure_pkg_lang.ChunkedCons)(nil)).Elem())
 	_register("github.com/glojurelang/glojure/pkg/lang.*ChunkedCons", reflect.TypeOf((*github_com_glojurelang_glojure_pkg_lang.ChunkedCons)(nil)))
 	_register("github.com/glojurelang/glojure/pkg/lang.CloneThreadBindingFrame", github_com_glojurelang_glojure_pkg_lang.CloneThreadBindingFrame)
+	_register("github.com/glojurelang/glojure/pkg/lang.Compare", github_com_glojurelang_glojure_pkg_lang.Compare)
 	_register("github.com/glojurelang/glojure/pkg/lang.Comparer", reflect.TypeOf((*github_com_glojurelang_glojure_pkg_lang.Comparer)(nil)).Elem())
 	_register("github.com/glojurelang/glojure/pkg/lang.ConcatStrings", github_com_glojurelang_glojure_pkg_lang.ConcatStrings)
 	_register("github.com/glojurelang/glojure/pkg/lang.Conj", github_com_glojurelang_glojure_pkg_lang.Conj)
diff --git a/pkg/gen/gljimports/gljimports_linux_arm64.go b/pkg/gen/gljimports/gljimports_linux_arm64.go
index 852fcb1..a4a18ab 100644
--- a/pkg/gen/gljimports/gljimports_linux_arm64.go
+++ b/pkg/gen/gljimports/gljimports_linux_arm64.go
@@ -3466,6 +3466,7 @@ func RegisterImports(_register func(string, interface{})) {
 	_register("github.com/glojurelang/glojure/pkg/lang.ChunkedCons", reflect.TypeOf((*github_com_glojurelang_glojure_pkg_lang.ChunkedCons)(nil)).Elem())
 	_register("github.com/glojurelang/glojure/pkg/lang.*ChunkedCons", reflect.TypeOf((*github_com_glojurelang_glojure_pkg_lang.ChunkedCons)(nil)))
 	_register("github.com/glojurelang/glojure/pkg/lang.CloneThreadBindingFrame", github_com_glojurelang_glojure_pkg_lang.CloneThreadBindingFrame)
+	_register("github.com/glojurelang/glojure/pkg/lang.Compare", github_com_glojurelang_glojure_pkg_lang.Compare)
 	_register("github.com/glojurelang/glojure/pkg/lang.Comparer", reflect.TypeOf((*github_com_glojurelang_glojure_pkg_lang.Comparer)(nil)).Elem())
 	_register("github.com/glojurelang/glojure/pkg/lang.ConcatStrings", github_com_glojurelang_glojure_pkg_lang.ConcatStrings)
 	_register("github.com/glojurelang/glojure/pkg/lang.Conj", github_com_glojurelang_glojure_pkg_lang.Conj)
diff --git a/pkg/gen/gljimports/gljimports_windows_amd64.go b/pkg/gen/gljimports/gljimports_windows_amd64.go
index 8376188..755190c 100644
--- a/pkg/gen/gljimports/gljimports_windows_amd64.go
+++ b/pkg/gen/gljimports/gljimports_windows_amd64.go
@@ -3466,6 +3466,7 @@ func RegisterImports(_register func(string, interface{})) {
 	_register("github.com/glojurelang/glojure/pkg/lang.ChunkedCons", reflect.TypeOf((*github_com_glojurelang_glojure_pkg_lang.ChunkedCons)(nil)).Elem())
 	_register("github.com/glojurelang/glojure/pkg/lang.*ChunkedCons", reflect.TypeOf((*github_com_glojurelang_glojure_pkg_lang.ChunkedCons)(nil)))
 	_register("github.com/glojurelang/glojure/pkg/lang.CloneThreadBindingFrame", github_com_glojurelang_glojure_pkg_lang.CloneThreadBindingFrame)
+	_register("github.com/glojurelang/glojure/pkg/lang.Compare", github_com_glojurelang_glojure_pkg_lang.Compare)
 	_register("github.com/glojurelang/glojure/pkg/lang.Comparer", reflect.TypeOf((*github_com_glojurelang_glojure_pkg_lang.Comparer)(nil)).Elem())
 	_register("github.com/glojurelang/glojure/pkg/lang.ConcatStrings", github_com_glojurelang_glojure_pkg_lang.ConcatStrings)
 	_register("github.com/glojurelang/glojure/pkg/lang.Conj", github_com_glojurelang_glojure_pkg_lang.Conj)
diff --git a/pkg/gen/gljimports/gljimports_windows_arm.go b/pkg/gen/gljimports/gljimports_windows_arm.go
index 100d9ee..c7ae863 100644
--- a/pkg/gen/gljimports/gljimports_windows_arm.go
+++ b/pkg/gen/gljimports/gljimports_windows_arm.go
@@ -3466,6 +3466,7 @@ func RegisterImports(_register func(string, interface{})) {
 	_register("github.com/glojurelang/glojure/pkg/lang.ChunkedCons", reflect.TypeOf((*github_com_glojurelang_glojure_pkg_lang.ChunkedCons)(nil)).Elem())
 	_register("github.com/glojurelang/glojure/pkg/lang.*ChunkedCons", reflect.TypeOf((*github_com_glojurelang_glojure_pkg_lang.ChunkedCons)(nil)))
 	_register("github.com/glojurelang/glojure/pkg/lang.CloneThreadBindingFrame", github_com_glojurelang_glojure_pkg_lang.CloneThreadBindingFrame)
+	_register("github.com/glojurelang/glojure/pkg/lang.Compare", github_com_glojurelang_glojure_pkg_lang.Compare)
 	_register("github.com/glojurelang/glojure/pkg/lang.Comparer", reflect.TypeOf((*github_com_glojurelang_glojure_pkg_lang.Comparer)(nil)).Elem())
 	_register("github.com/glojurelang/glojure/pkg/lang.ConcatStrings", github_com_glojurelang_glojure_pkg_lang.ConcatStrings)
 	_register("github.com/glojurelang/glojure/pkg/lang.Conj", github_com_glojurelang_glojure_pkg_lang.Conj)
diff --git a/pkg/lang/compare.go b/pkg/lang/compare.go
new file mode 100644
index 0000000..b99b5f6
--- /dev/null
+++ b/pkg/lang/compare.go
@@ -0,0 +1,72 @@
+package lang
+
+import (
+	"fmt"
+	"strings"
+)
+
+func Compare(a, b any) int {
+	if s1, ok := a.(string); ok {
+		if s2, ok := b.(string); ok {
+			return strings.Compare(s1, s2)
+		}
+		panic(NewIllegalArgumentError(fmt.Sprintf("cannot compare unrelated types: %T, %T", a, b)))
+	} else if i1, ok := a.(int); ok {
+		if i2, ok := b.(int); ok {
+			if i1 > i2 {
+				return 1
+			}
+			if i1 < i2 {
+				return -1
+			}
+			return 0
+		}
+		panic(NewIllegalArgumentError(fmt.Sprintf("cannot compare unrelated types: %T, %T", a, b)))
+	} else if i1, ok := a.(int32); ok {
+		if i2, ok := b.(int32); ok {
+			if i1 > i2 {
+				return 1
+			}
+			if i1 < i2 {
+				return -1
+			}
+			return 0
+		}
+		panic(NewIllegalArgumentError(fmt.Sprintf("cannot compare unrelated types: %T, %T", a, b)))
+	} else if i1, ok := a.(int64); ok {
+		if i2, ok := b.(int64); ok {
+			if i1 > i2 {
+				return 1
+			}
+			if i1 < i2 {
+				return -1
+			}
+			return 0
+		}
+		panic(NewIllegalArgumentError(fmt.Sprintf("cannot compare unrelated types: %T, %T", a, b)))
+	} else if i1, ok := a.(float32); ok {
+		if i2, ok := b.(float32); ok {
+			if i1 > i2 {
+				return 1
+			}
+			if i1 < i2 {
+				return -1
+			}
+			return 0
+		}
+		panic(NewIllegalArgumentError(fmt.Sprintf("cannot compare unrelated types: %T, %T", a, b)))
+	} else if i1, ok := a.(float64); ok {
+		if i2, ok := b.(float64); ok {
+			if i1 > i2 {
+				return 1
+			}
+			if i1 < i2 {
+				return -1
+			}
+			return 0
+		}
+		panic(NewIllegalArgumentError(fmt.Sprintf("cannot compare unrelated types: %T, %T", a, b)))
+	}
+
+	panic(NewIllegalArgumentError(fmt.Sprintf("unable to compare types: %T, %T", a, b)))
+}
diff --git a/pkg/lang/slices.go b/pkg/lang/slices.go
index 469cde5..cf73c95 100644
--- a/pkg/lang/slices.go
+++ b/pkg/lang/slices.go
@@ -21,6 +21,20 @@ func ToSlice(x any) []any {
 		}
 		return res
 	}
+	if s, ok := x.(Vector); ok {
+		res := make([]interface{}, 0, s.Count())
+		for s := Seq(s); s != nil; s = s.Next() {
+			res = append(res, s.First())
+		}
+		return res
+	}
+	if s, ok := x.(*Vector); ok {
+		res := make([]interface{}, 0, s.Count())
+		for s := Seq(s); s != nil; s = s.Next() {
+			res = append(res, s.First())
+		}
+		return res
+	}
 	xVal := reflect.ValueOf(x)
 	if xVal.Kind() == reflect.Slice || xVal.Kind() == reflect.Array {
 		res := make([]interface{}, xVal.Len())
diff --git a/pkg/stdlib/glojure/core.glj b/pkg/stdlib/glojure/core.glj
index 8f907ec..2ef5198 100644
--- a/pkg/stdlib/glojure/core.glj
+++ b/pkg/stdlib/glojure/core.glj
@@ -767,7 +767,7 @@
 
 (defn identical?
   "Tests if 2 arguments are the same object"
-  {:inline (fn [x y] `(. glojure.lang.Util identical ~x ~y))
+  {:inline (fn [x y] `(. github.com$glojurelang$glojure$pkg$lang.Identical ~x ~y))
    :inline-arities #{2}
    :added "1.0"}
   ([x y] (github.com$glojurelang$glojure$pkg$lang.Identical x y)))
@@ -779,7 +779,7 @@
   numbers and collections in a type-independent manner.  Clojure's immutable data
   structures define equals() (and thus =) as a value, not an identity,
   comparison."
-  {:inline (fn [x y] `(. glojure.lang.Util equiv ~x ~y))
+  {:inline (fn [x y] `(. github.com$glojurelang$glojure$pkg$lang.Equiv ~x ~y))
    :inline-arities #{2}
    :added "1.0"}
   ([x] true)
@@ -797,7 +797,7 @@
   x.equals(y) except it also works for nil. Boxed numbers must have
   same type. Clojure's immutable data structures define equals() (and
   thus =) as a value, not an identity, comparison."
-  {:inline (fn [x y] `(. glojure.lang.Util equals ~x ~y))
+  {:inline (fn [x y] `(. github.com$glojurelang$glojure$pkg$lang.Equals ~x ~y))
    :inline-arities #{2}
    :added "1.0"}
   ([x] true)
@@ -828,9 +828,9 @@
   compares numbers and collections in a type-independent manner. x
   must implement Comparable"
   {
-   :inline (fn [x y] `(. glojure.lang.Util compare ~x ~y))
+   :inline (fn [x y] `(. github.com$glojurelang$glojure$pkg$lang.Compare ~x ~y))
    :added "1.0"}
-  [x y] (. glojure.lang.Util (compare x y)))
+  [x y] (github.com$glojurelang$glojure$pkg$lang.Compare x y))
 
 (defmacro and
   "Evaluates exprs one at a time, from left to right. If a form
@@ -3087,10 +3087,10 @@
    :static true}
   ([coll]
    (sort compare coll))
-  ([^java.util.Comparator comp coll]
+  ([^java.util.Comparator comparator coll]
    (if (seq coll)
      (let [a (to-array coll)]
-       (. java.util.Arrays (sort a comp))
+       (sort.Slice a (comp neg? comparator))
        (with-meta (seq a) (meta coll)))
      ())))
 
diff --git a/scripts/rewrite-core/rewrite.clj b/scripts/rewrite-core/rewrite.clj
index 7fa7a5b..a62a68b 100644
--- a/scripts/rewrite-core/rewrite.clj
+++ b/scripts/rewrite-core/rewrite.clj
@@ -126,6 +126,7 @@
    (sexpr-replace '(clojure.lang.Range/create start end step)
                   '(github.com$glojurelang$glojure$pkg$lang.NewRange start end step))
 
+   (sexpr-replace '(. java.util.Arrays (sort a comp)) '(sort.Slice(a, comp)))
 
    (sexpr-replace '(. clojure.lang.PersistentHashMap (create keyvals))
                   '(github.com$glojurelang$glojure$pkg$lang.CreatePersistentHashMap keyvals))
diff --git a/test/glojure/test_glojure/sort.glj b/test/glojure/test_glojure/sort.glj
new file mode 100644
index 0000000..e6ed79c
--- /dev/null
+++ b/test/glojure/test_glojure/sort.glj
@@ -0,0 +1,8 @@
+(ns glojure.test-glojure.sort
+  (:use glojure.test))
+
+(deftest Sort-Vector
+  (is (= [1 2 3] (sort [1 3 2]))))
+
+(deftest Sort-Arrays
+  (is (= '(1 2 3) (sort '(1 3 2)))))
\ No newline at end of file