normalize numbers updating maps and arrays destructively

normalize.go

@@ -4,7 +4,6 @@ import (
 	"encoding/json"
 	"math"
 	"math/big"
-	"reflect"
 	"strings"
 )
 
@@ -66,17 +65,15 @@ func normalizeNumbers(v interface{}) interface{} {
 	case float32:
 		return float64(v)
 	case map[string]interface{}:
-		u := make(map[string]interface{}, len(v))
-		for k, v := range v {
-			u[k] = normalizeNumbers(v)
+		for k, x := range v {
+			v[k] = normalizeNumbers(x)
 		}
-		return u
+		return v
 	case []interface{}:
-		u := make([]interface{}, len(v))
-		for i, v := range v {
-			u[i] = normalizeNumbers(v)
+		for i, x := range v {
+			v[i] = normalizeNumbers(x)
 		}
-		return u
+		return v
 	default:
 		return v
 	}
@@ -140,7 +137,3 @@ func deleteEmpty(v interface{}) interface{} {
 		return v
 	}
 }
-
-func deepEqual(x, y interface{}) bool {
-	return reflect.DeepEqual(normalizeNumbers(x), normalizeNumbers(y))
-}

operator.go

@@ -3,6 +3,7 @@ package gojq
 import (
 	"math"
 	"math/big"
+	"reflect"
 	"strings"
 )
 
@@ -369,7 +370,7 @@ func funcOpSub(_, l, r interface{}) interface{} {
 			for _, v := range l {
 				var found bool
 				for _, w := range r {
-					if deepEqual(v, w) {
+					if reflect.DeepEqual(normalizeNumbers(v), normalizeNumbers(w)) {
 						found = true
 						break
 					}