diff --git a/include/rjp.h b/include/rjp.h
index 73447b0..9ec3ed4 100644
--- a/include/rjp.h
+++ b/include/rjp.h
@@ -182,9 +182,11 @@ RJP_data_type rjp_value_type(const RJP_value* value);
 
 /***************** OBJECT OPERATIONS *******************/
 //add a member to a json object, allocating a copy of the key
-RJP_value* rjp_add_member_key_copy(RJP_value* dest, const char* key, RJP_index keylen);
+RJP_value* rjp_new_member_key_copy(RJP_value* dest, const char* key, RJP_index keylen);
 //add a member to a json object without allocation. key must be allocated using rjp_alloc/rjp_calloc
-RJP_value* rjp_add_member(RJP_value* dest, char* key, RJP_index keylen);
+RJP_value* rjp_new_member(RJP_value* dest, char* key, RJP_index keylen);
+RJP_value* rjp_add_member_key_copy(RJP_value* dest, const char* key, RJP_index keylen, RJP_value* src);
+RJP_value* rjp_add_member(RJP_value* dest, char* key, RJP_index keylen, RJP_value* src);
 
 //Remove member without freeing
 RJP_value* rjp_remove_member_by_key(RJP_value* obj, const char* key);
@@ -218,7 +220,8 @@ RJP_value* rjp_object_iterator_peek(const RJP_object_iterator* it);
 
 /***************** ARRAY OPERATIONS *******************/
 //add an element to a json array
-RJP_value* rjp_add_element(RJP_value* dest);
+RJP_value* rjp_new_element(RJP_value* dest);
+RJP_value* rjp_add_element(RJP_value* dest, RJP_value* src);
 RJP_value* rjp_remove_element(RJP_value* arr, RJP_value* elem);
 void rjp_free_element(RJP_value* arr, RJP_value* elem);
 
diff --git a/rjp++/src/array.cpp b/rjp++/src/array.cpp
index 0c4f528..5ed1280 100644
--- a/rjp++/src/array.cpp
+++ b/rjp++/src/array.cpp
@@ -37,7 +37,7 @@ namespace rjp{
 			rjp_set_array(m_value);
 	}
 	value array::add(void){
-		RJP_value* newelem = rjp_add_element(m_value);
+		RJP_value* newelem = rjp_new_element(m_value);
 		return create_unmanaged(newelem);
 	}
 
diff --git a/rjp++/src/object.cpp b/rjp++/src/object.cpp
index 50e41dc..9b99adc 100644
--- a/rjp++/src/object.cpp
+++ b/rjp++/src/object.cpp
@@ -36,7 +36,7 @@ namespace rjp{
 			rjp_set_object(m_value);
 	}
 	member object::add(const rexy::string_base& key){
-		RJP_value* newmemb = rjp_add_member_key_copy(m_value, key.get(), key.length());
+		RJP_value* newmemb = rjp_new_member_key_copy(m_value, key.get(), key.length());
 		return create_unmanaged(newmemb);
 	}
 
diff --git a/src/rjp.c b/src/rjp.c
index 63a0a25..1b16e58 100644
--- a/src/rjp.c
+++ b/src/rjp.c
@@ -76,6 +76,7 @@ RJP_value* rjp_copy_value(RJP_value* dest, const RJP_value* src){
 }
 RJP_value* rjp_move_value(RJP_value* dest, RJP_value* src){
 	*dest = *src;
+	src->type = rjp_json_null;
 	return dest;
 }
 
@@ -109,7 +110,7 @@ void rjp_free_value(RJP_value* root){
 	if(!root)
 		return;
 	irjp_delete_value(root);
-	free(root);
+	rjp_free(root);
 }
 
 /* VALUE SETTING */
diff --git a/src/rjp_array.c b/src/rjp_array.c
index d84ec38..e9f39d0 100644
--- a/src/rjp_array.c
+++ b/src/rjp_array.c
@@ -27,7 +27,7 @@ void irjp_copy_array(RJP_value* dest, const RJP_value* src){
 	dest->array.elements = dest->array.last = NULL;
 	for(RJP_array_element* curr = src->array.elements;curr;curr = curr->next){
 		RJP_value* copy_mem;
-		copy_mem = rjp_add_element(dest);
+		copy_mem = rjp_new_element(dest);
 		rjp_copy_value(copy_mem, &curr->value);
 	}
 }
@@ -42,11 +42,19 @@ void irjp_add_element(RJP_array* j){
 		j->last->prev = j->last;
 	}
 }
-RJP_value* rjp_add_element(RJP_value* dest){
+RJP_value* rjp_new_element(RJP_value* dest){
 	irjp_add_element(&dest->array);
 	dest->array.last->value.parent = dest;
 	return &dest->array.last->value;
 }
+RJP_value* rjp_add_element(RJP_value* dest, RJP_value* src){
+	RJP_value* newelm = rjp_new_element(dest);
+	if(!newelm)
+		return NULL;
+	rjp_move_value(newelm, src);
+	rjp_free(src);
+	return newelm;
+}
 RJP_value* rjp_remove_element(RJP_value* dest, RJP_value* value){
 	if(value->parent != dest)
 		return NULL;
diff --git a/src/rjp_object.c b/src/rjp_object.c
index 336440e..b12df38 100644
--- a/src/rjp_object.c
+++ b/src/rjp_object.c
@@ -46,7 +46,7 @@ void irjp_delete_object(RJP_value* obj){
 	default: break;
 	};
 }
-RJP_value* rjp_add_member(RJP_value* dest, char* key, RJP_index keylen){
+RJP_value* rjp_new_member(RJP_value* dest, char* key, RJP_index keylen){
 	switch(dest->type){
 	case rjp_json_object:
 		return irjp_add_unordered_member(dest, key, keylen);
@@ -56,13 +56,29 @@ RJP_value* rjp_add_member(RJP_value* dest, char* key, RJP_index keylen){
 	};
 	return NULL;
 }
-RJP_value* rjp_add_member_key_copy(RJP_value* dest, const char* key, RJP_index keylen){
+RJP_value* rjp_new_member_key_copy(RJP_value* dest, const char* key, RJP_index keylen){
 	if(!keylen)
 		keylen = rjp_escape_strlen(key);
 	char* newkey = rjp_alloc(keylen+1);
 	rjp_escape_strcpy(newkey, key);
 	newkey[keylen] = 0;
-	return rjp_add_member(dest, newkey, keylen);
+	return rjp_new_member(dest, newkey, keylen);
+}
+RJP_value* rjp_add_member(RJP_value* dest, char* key, RJP_index keylen, RJP_value* src){
+	RJP_value* newval = rjp_new_member(dest, key, keylen);
+	if(!newval)
+		return NULL;
+	rjp_move_value(newval, src);
+	rjp_free(src);
+	return newval;
+}
+RJP_value* rjp_add_member_key_copy(RJP_value* dest, const char* key, RJP_index keylen, RJP_value* src){
+	RJP_value* newval = rjp_new_member_key_copy(dest, key, keylen);
+	if(!newval)
+		return NULL;
+	rjp_move_value(newval, src);
+	rjp_free(src);
+	return newval;
 }
 RJP_value* rjp_remove_member_by_key(RJP_value* obj, const char* key){
 	RJP_value* member = rjp_search_member(obj, key);
diff --git a/src/rjp_parse.c b/src/rjp_parse.c
index 54aaa7c..b8bf481 100644
--- a/src/rjp_parse.c
+++ b/src/rjp_parse.c
@@ -142,7 +142,7 @@ static int irjp_init_value(RJP_value* newval, RJP_lex_category cat, RJP_parse_st
 	return 0;
 }
 static RJP_value* irjp_add_value_to_array(RJP_lex_category cat, RJP_parse_state* state){
-	state->lastadded = rjp_add_element(state->curr);
+	state->lastadded = rjp_new_element(state->curr);
 	if(irjp_init_value(state->lastadded, cat, state))
 		return NULL;
 	return state->lastadded;
@@ -150,7 +150,7 @@ static RJP_value* irjp_add_value_to_array(RJP_lex_category cat, RJP_parse_state*
 static RJP_value* irjp_add_value_to_object(RJP_parse_state* state, const char* key, RJP_index keylen){
 	RJP_index newlen;
 	char* newkey = irjp_convert_string(key, keylen, &newlen);
-	return (state->lastadded = rjp_add_member(state->curr, newkey, newlen));
+	return (state->lastadded = rjp_new_member(state->curr, newkey, newlen));
 }