diff --git a/src/DtsodParser/DtsodV24_deserialize.c b/src/DtsodParser/DtsodV24_deserialize.c
index 87a9faa..e01f7d0 100644
--- a/src/DtsodParser/DtsodV24_deserialize.c
+++ b/src/DtsodParser/DtsodV24_deserialize.c
@@ -295,7 +295,9 @@ Maybe __deserialize(char** _text, bool _calledRecursively, allocator_ptr _tmp_al
         .sh_tmp_al=_tmp_al
     };
     DeserializeSharedData* shared=&_shared;
-    Hashtable* dict=Hashtable_create();
+    Hashtable _dict;
+    Hashtable* dict = &_dict;
+    Hashtable_construct(dict, _tmp_al);
     
     text--;
     while(true){
diff --git a/src/DtsodParser/DtsodV24_exported.c b/src/DtsodParser/DtsodV24_exported.c
deleted file mode 100644
index 1544d85..0000000
--- a/src/DtsodParser/DtsodV24_exported.c
+++ /dev/null
@@ -1,62 +0,0 @@
-//
-// I planned to export functions from DtsodV24.h,
-// but C# P/Invoke can't get returned values for some reason.
-// Following functions return values by pointer, which looks in C# like out parameter
-//
-
-#if __cplusplus
-extern "C" {
-#endif
-
-#include "DtsodV24.h"
-
-// parses text to binary values
-EXPORT void CALL kerep_DtsodV24_deserialize(char* text, Hashtable** output, char** errmsg){
-    Maybe r=DtsodV24_deserialize(text);
-    *errmsg=r.errmsg;
-    *output=r.value.VoidPtr;
-}
-
-// creates text representation of dtsod
-EXPORT void CALL kerep_DtsodV24_serialize(Hashtable* dtsod, char** output, char** errmsg){
-    Maybe r=DtsodV24_serialize(dtsod);
-    *errmsg=r.errmsg;
-    *output=r.value.VoidPtr;
-}
-
-// returns value or UniNull if key not found
-EXPORT void CALL kerep_DtsodV24_get(Hashtable* dtsod, char* key, Unitype* output){
-    *output=DtsodV24_get(dtsod, key);
-}
-
-// adds or sets the value
-EXPORT void CALL kerep_DtsodV24_addOrSet(Hashtable* dtsod, char* key, Unitype value){
-    DtsodV24_addOrSet(dtsod, key, value);
-}
-
-// checks for dtsod contains value or dont
-EXPORT void CALL kerep_DtsodV24_contains(Hashtable* dtsod, char* key, bool* output){
-    *output=DtsodV24_contains(dtsod, key);
-}
-
-// replaces value with UniNull if key exists in dtsod
-EXPORT void CALL kerep_DtsodV24_remove(Hashtable* dtsod, char* key, bool* output){
-    *output=DtsodV24_remove(dtsod, key);
-}
-
-// replaces value with UniNull if key exists in dtsod
-EXPORT void CALL kerep_DtsodV24_destruct(Hashtable* dtsod){
-    DtsodV24_destruct(dtsod);
-}
-
-EXPORT void CALL kerep_DtsodV24_height(Hashtable* dtsod, u16* heigth){
-    *heigth=Hashtable_height(dtsod);
-}
-
-EXPORT void CALL kerep_DtsodV24_getrow(Hashtable* dtsod, u16 h, Autoarr_KVPair** row){
-    *row=dtsod->rows[h];
-}
-
-#if __cplusplus
-}
-#endif
diff --git a/src/Hashtable/Hashtable.c b/src/Hashtable/Hashtable.c
index 1e9fe5e..6f21688 100644
--- a/src/Hashtable/Hashtable.c
+++ b/src/Hashtable/Hashtable.c
@@ -7,63 +7,59 @@ static const u16 HT_HEIGHTS[]={17,61,257,1021,4099,16381,65521};
 #define HT_HEIN_MIN 0
 #define HT_HEIN_MAX 6
 
-#define ARR_BC 2
-#define ARR_BL 8
+#define ARR_SIZE_MAX 16
 
-Hashtable* Hashtable_create(){
-    Hashtable* ht=malloc(sizeof(Hashtable));
+void Hashtable_construct(Hashtable* ht, allocator_ptr external_al){
+    InternalAllocator_setExternalOrConstruct(ht, external_al, LinearAllocator, 1024);
     ht->hein=HT_HEIN_MIN;
     ht->rows=malloc(HT_HEIGHTS[HT_HEIN_MIN]*sizeof(Autoarr(KVPair)*));
-    for(u16 i=0;i<HT_HEIGHTS[HT_HEIN_MIN];i++)
-        ht->rows[i]=Autoarr_construct(KVPair,ARR_BC,ARR_BL);
-    return ht;
+    allocator_ptr internal_al = InternalAllocator_getPtr(ht);
+    for(u16 i=0; i<HT_HEIGHTS[HT_HEIN_MIN]; i++)
+        Autoarr_construct(&ht->rows[i], KVPair, 16, internal_al);
 }
 
+u16 __Hashtable_height(Hashtable* ht) { return HT_HEIGHTS[ht->hein]; }
+
 void __Hashtable_destruct(void* _ht){
     Hashtable* ht=_ht;
     for(u16 i=0;i<HT_HEIGHTS[ht->hein];i++)
-        Autoarr_destruct(ht->rows[i], true);
-    free(ht->rows);
+        Autoarr_destruct(&ht->rows[i]);
+    allocator_free(InternalAllocator_getPtr(ht), ht->rows);
+    InternalAllocator_destructIfInternal(LinearAllocator, ht);
 }
 void Hashtable_destruct(Hashtable* ht){
     __Hashtable_destruct(ht);
-    free(ht);
 }
 
-u16 Hashtable_height(Hashtable* ht) { return HT_HEIGHTS[ht->hein]; }
-
-
 void Hashtable_expand(Hashtable* ht){
     if(ht->hein>=HT_HEIN_MAX) throw(ERR_MAXLENGTH);
 
-    Autoarr(KVPair)** newrows=malloc(HT_HEIGHTS[++ht->hein]*sizeof(Autoarr(KVPair)*));
+    Autoarr(KVPair)* newrows=malloc(HT_HEIGHTS[++ht->hein]*sizeof(Autoarr(KVPair)*));
     for(u16 i=0;i<HT_HEIGHTS[ht->hein];i++)
-        newrows[i]=Autoarr_construct(KVPair,ARR_BC,ARR_BL);
+        Autoarr_construct(&newrows[i], KVPair, ARR_SIZE_MAX, InternalAllocator_getPtr(ht));
 
     for(u16 i=0;i<HT_HEIGHTS[ht->hein-1];i++){
-        Autoarr(KVPair)* ar=ht->rows[i];
+        Autoarr(KVPair)* ar=&ht->rows[i];
         u32 arlen=Autoarr_length(ar);
         for(u32 k=0;k<arlen;k++){
             KVPair p=Autoarr_get(ar,k);
             u16 newrown=hashs(hash_sdbm32, p.key)%HT_HEIGHTS[ht->hein];
-            Autoarr(KVPair)* newar=newrows[newrown];
+            Autoarr(KVPair)* newar=&newrows[newrown];
             Autoarr_add(newar,p);
         }
-        // there is no need to free array values, because they are copied into new array
-        // so dont replace this incorrect auto-generated function
-        Autoarr_destructWithoutMembers(ar, true);
+        Autoarr_destruct(ar);
     }
 
     free(ht->rows);
-    ht->rows=newrows;
+    ht->rows = newrows;
 }
 
 Autoarr(KVPair)* getrow(Hashtable* ht, char* key, bool can_expand){
     u32 hash=hashs(hash_sdbm32, key);
-    Autoarr(KVPair)* ar=ht->rows[hash%HT_HEIGHTS[ht->hein]];
-    if(can_expand && Autoarr_length(ar)==Autoarr_max_length(ar))
+    Autoarr(KVPair)* ar=&ht->rows[hash%HT_HEIGHTS[ht->hein]];
+    if(can_expand && Autoarr_length(ar) == ARR_SIZE_MAX)
         Hashtable_expand(ht);
-    ar=ht->rows[hash%HT_HEIGHTS[ht->hein]];
+    ar=&ht->rows[hash%HT_HEIGHTS[ht->hein]];
     return ar;
 }
 
@@ -86,7 +82,8 @@ Unitype* Hashtable_getPtr(Hashtable* ht, char* key){
     u32 arlen=Autoarr_length(ar);
     for(u32 i=0;i<arlen;i++){
         KVPair* p=Autoarr_getPtr(ar,i);
-        if(cptr_equals(key,p->key)) return &p->value;
+        if(cptr_equals(key,p->key))
+            return &p->value;
     }
     return NULL;
 }
@@ -96,7 +93,8 @@ Unitype Hashtable_get(Hashtable* ht, char* key){
     u32 arlen=Autoarr_length(ar);
     for(u32 i=0;i<arlen;i++){
         KVPair p=Autoarr_get(ar,i);
-        if(cptr_equals(key,p.key)) return p.value;
+        if(cptr_equals(key,p.key))
+            return p.value;
     }
     return UniNull;
 }
diff --git a/src/Hashtable/Hashtable.h b/src/Hashtable/Hashtable.h
index 18b5925..be0ac8c 100644
--- a/src/Hashtable/Hashtable.h
+++ b/src/Hashtable/Hashtable.h
@@ -9,17 +9,15 @@ extern "C" {
 #include "KeyValuePair.h"
 
 STRUCT(Hashtable,
+    InternalAllocator_declare(LinearAllocator);
     u8 hein;  // height=HT_HEIGHTS[hein]
-    Autoarr(KVPair)** rows; // Autoarr[height]
+    Autoarr(KVPair)* rows; // Autoarr[height]
 )
 
-Hashtable* Hashtable_create();
+void Hashtable_construct(Hashtable* ht, allocator_ptr external_al);
 void Hashtable_destruct(Hashtable* ht);
 void __Hashtable_destruct(void* ht);
 
-// amount of rows
-u16 Hashtable_height(Hashtable* ht);
-
 // don't add pairs with the same keys,
 // or something weird will happen
 // if not sure, use Hashtable_addOrSet()
@@ -36,11 +34,13 @@ Unitype* Hashtable_getPtr(Hashtable* ht, char* key);
 Unitype Hashtable_get(Hashtable* ht, char* key);
 bool Hashtable_tryGet(Hashtable* ht, char* key, Unitype* output);
 
+u16 __Hashtable_height(Hashtable* ht);
+
 #define Hashtable_foreach(HT, EL, codeblock...) { \
-    u16 hmax=Hashtable_height(HT); \
+    u16 hmax=__Hashtable_height(HT); \
     for(u16 h=0; h<hmax; h++){ \
-        Autoarr(KVPair)* AR=HT->rows[h]; \
-        Autoarr_foreach(AR, EL, codeblock); \
+        Autoarr(KVPair)* row=&HT->rows[h]; \
+        Autoarr_foreach(row, EL, codeblock); \
     } \
 }
 
diff --git a/src/Hashtable/KeyValuePair.c b/src/Hashtable/KeyValuePair.c
index a6ca36e..03f2895 100644
--- a/src/Hashtable/KeyValuePair.c
+++ b/src/Hashtable/KeyValuePair.c
@@ -1,15 +1,8 @@
 #include "KeyValuePair.h"
 
-kt_define(KVPair, __KVPair_destruct, NULL);
+kt_define(KVPair, NULL, NULL);
 
-Autoarr_define(KVPair, false)
-
-// proper way to clean a KVP
-void KVPair_destruct(KVPair p){
-    // free(p.key);
-    Unitype_destruct(&p.value);
-}
-void __KVPair_destruct(void* p){ KVPair_destruct(*(KVPair*)p); }
+Autoarr_define(KVPair)
 
 void printkvp(KVPair p){
     kprintf("{\"%s\", ",p.key);
diff --git a/src/Hashtable/KeyValuePair.h b/src/Hashtable/KeyValuePair.h
index 815bdb1..0dd31c0 100644
--- a/src/Hashtable/KeyValuePair.h
+++ b/src/Hashtable/KeyValuePair.h
@@ -14,8 +14,6 @@ STRUCT(KVPair,
 
 Autoarr_declare(KVPair)
 
-// proper way to clean a KVP
-void KVPair_destruct(KVPair p);
 void __KVPair_destruct(void* p);
 
 void printkvp(KVPair p);
diff --git a/tests/test_hashtable.c b/tests/test_hashtable.c
index ddb671f..ba2bfec 100644
--- a/tests/test_hashtable.c
+++ b/tests/test_hashtable.c
@@ -8,7 +8,7 @@ void print_hashtable(Hashtable* ht){
         "  rows: %p\n",
         sizeof(Hashtable),
         ht->hein,
-        Hashtable_height(ht),
+        __Hashtable_height(ht),
         ht->rows);
 }
 
@@ -18,8 +18,8 @@ void printrowgraph(allocator_ptr al, Hashtable* ht){
     u32 lgs[lgs_l];
      for(u32 i=0; i<lgs_l; i++)
         lgs[i]=0; 
-    for(u16 h=0;h<Hashtable_height(ht);h++){
-        Autoarr(KVPair)* ar=ht->rows[h];
+    for(u16 h=0;h<__Hashtable_height(ht);h++){
+        Autoarr(KVPair)* ar=&ht->rows[h];
         u32 l=Autoarr_length(ar);
         lgs[l]++;
     }
@@ -63,7 +63,9 @@ void test_hashtable(){
         StackingAllocator _al;
         allocator_ptr al=(allocator_ptr)&_al;
         StackingAllocator_construct(&_al, 4096);
-        Hashtable* ht=Hashtable_create();
+        Hashtable _ht;
+        Hashtable* ht=&_ht;
+        Hashtable_construct(ht, al);
         kprintf("\e[92mhashtable created\n");
         print_hashtable(ht);
         optime("fill",1,fill(al, ht));