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mlib/m-array.h
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C

/*
* M*LIB - dynamic ARRAY module
*
* Copyright (c) 2017, Patrick Pelissier
* All rights reserved.
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* + Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* + Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE REGENTS AND CONTRIBUTORS BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef __M_ARRAY_H
#define __M_ARRAY_H
#include <stdbool.h>
#include <stdlib.h>
#include <assert.h>
#include <string.h>
#include "m-core.h"
/* Define an array of a given type.
USAGE: ARRAY_DEF(name, type [, oplist_of_the_type]) */
#define ARRAY_DEF(name, ...) \
M_IF_NARGS_EQ1(__VA_ARGS__) \
(ARRAYI_DEF2(name, __VA_ARGS__, M_DEFAULT_OPLIST ), \
ARRAYI_DEF2(name, __VA_ARGS__ ))
/* Define the oplist of an array of type.
USAGE: ARRAY_OPLIST(name[, oplist of the type]) */
#define ARRAY_OPLIST(...) \
M_IF_NARGS_EQ1(__VA_ARGS__) \
(ARRAYI_OPLIST(__VA_ARGS__, M_DEFAULT_OPLIST ), \
ARRAYI_OPLIST(__VA_ARGS__ ))
/********************************** INTERNAL ************************************/
#define ARRAYI_OPLIST(name, oplist) \
(INIT(M_C3(array_, name, _init)) \
,INIT_SET(M_C3(array_, name, _init_set)) \
,SET(M_C3(array_, name, _set)) \
,CLEAR(M_C3(array_, name, _clear)) \
,INIT_MOVE(M_C3(array_, name, _init_move)) \
,MOVE(M_C3(array_, name, _move)) \
,TYPE(M_C3(array_,name,_t)) \
,SUBTYPE(M_C3(array_type_,name,_t)) \
,IT_TYPE(M_C3(array_it_,name,_t)) \
,IT_FIRST(M_C3(array_,name,_it)) \
,IT_SET(M_C3(array_,name,_it_set)) \
,IT_END_P(M_C3(array_,name,_end_p)) \
,IT_LAST_P(M_C3(array_,name,_last_p)) \
,IT_EQUAL_P(M_C3(array_,name,_it_equal_p)) \
,IT_NEXT(M_C3(array_,name,_next)) \
,IT_PREVIOUS(M_C3(array_,name,_previous)) \
,IT_REF(M_C3(array_,name,_ref)) \
,IT_CREF(M_C3(array_,name,_cref)) \
,CLEAN(M_C3(array_,name,_clean)) \
,PUSH(M_C3(array_,name,_push_back)) \
,POP(M_C3(array_,name,_pop_back)) \
,OPLIST(oplist) \
,M_IF_METHOD(CMP, oplist)(SORT(M_C3(array_, name, _sort)),) \
,M_IF_METHOD(GET_STR, oplist)(GET_STR(M_C3(array_, name, _get_str)),) \
,M_IF_METHOD(OUT_STR, oplist)(OUT_STR(M_C3(array_, name, _out_str)),) \
,M_IF_METHOD(IN_STR, oplist)(IN_STR(M_C3(array_, name, _in_str)),) \
,M_IF_METHOD(EQUAL, oplist)(EQUAL(M_C3(array_, type, _equal_p)),) \
,M_IF_METHOD(HASH, oplist)(HASH(M_C3(array_, type, _hash)),) \
)
// Compute alloc from the requested size.
#define ARRAYI_INC_ALLOC_SIZE(n) ((n) < 8 ? 16 : (n) * 2)
// Internal definition.
#define ARRAYI_DEF2(name, type, oplist) \
typedef struct M_C3(array_, name, _s) { \
size_t size, alloc; \
type *ptr; \
} M_C3(array_, name,_t)[1]; \
\
typedef union { \
type *ptr; \
const type *cptr; \
} M_C3(array_union_, name,_t); \
\
typedef type M_C3(array_type_,name,_t); \
\
typedef struct M_C3(array_it_,name,_s) { \
size_t index; \
struct M_C3(array_, name, _s) *array; \
} M_C3(array_it_,name,_t)[1]; \
\
static inline const type * \
M_C3(array_, name, _const_cast)(type *ptr) \
{ \
M_C3(array_union_, name,_t) u; \
u.ptr = ptr; \
return u.cptr; \
} \
\
static inline void \
M_C3(array_, name, _init)(M_C3(array_, name,_t) v) \
{ \
assert (v != NULL); \
v->size = v->alloc = 0; \
v->ptr = NULL; \
} \
\
static inline void \
M_C3(array_, name, _clean)(M_C3(array_, name,_t) v) \
{ \
assert (v != NULL && v->size <= v->alloc); \
for(size_t i = 0; i < v->size; i++) \
M_GET_CLEAR oplist(v->ptr[i]); \
v->size = 0; \
} \
\
static inline void \
M_C3(array_, name, _clear)(M_C3(array_, name,_t) v) \
{ \
assert (v != NULL && v->size <= v->alloc); \
M_C3(array_, name, _clean)(v); \
M_MEMORY_FREE(v->ptr); \
v->alloc = 0; \
v->ptr = NULL; \
} \
\
static inline void \
M_C3(array_, name, _set)(M_C3(array_, name,_t) d, \
const M_C3(array_, name,_t) s) \
{ \
assert (d != NULL && s != NULL \
&& d->size <= d->alloc && s->size <= s->alloc); \
if (d == s) return; \
if (s->size > d->alloc) { \
size_t alloc = ARRAYI_INC_ALLOC_SIZE(s->size); \
type *ptr = M_MEMORY_REALLOC (type, d->ptr, alloc); \
if (ptr == NULL) { \
M_MEMORY_FULL(sizeof (type) * alloc); \
return ; \
} \
d->ptr = ptr; \
d->alloc = alloc; \
} \
size_t i, step1 = M_MIN(s->size, d->size); \
for(i = 0; i < step1; i++) \
M_GET_SET oplist (d->ptr[i], s->ptr[i]); \
for( ; i < s->size; i++) \
M_GET_INIT_SET oplist (d->ptr[i], s->ptr[i]); \
for( ; i < d->size; i++) \
M_GET_CLEAR oplist (d->ptr[i]); \
d->size = s->size; \
assert (d->size <= d->alloc); \
} \
\
static inline void \
M_C3(array_, name, _init_set)(M_C3(array_, name,_t) d, \
const M_C3(array_, name,_t) s) \
{ \
assert (d != s); \
M_C3(array_, name, _init)(d); \
M_C3(array_, name, _set)(d, s); \
} \
\
static inline void \
M_C3(array_, name, _init_move)(M_C3(array_, name,_t) d, \
M_C3(array_, name,_t) s) \
{ \
assert (d != s); \
d->size = s->size; \
d->alloc = s->alloc; \
d->ptr = s->ptr; \
s->size = s->alloc = 0; \
s->ptr = NULL; \
} \
\
static inline void \
M_C3(array_, name, _move)(M_C3(array_, name,_t) d, \
M_C3(array_, name,_t) s) \
{ \
assert (d != s); \
M_C3(array_, name, _clear)(d); \
M_C3(array_, name, _init_move)(d, s); \
} \
\
static inline void \
M_C3(array_, name, _set_at)(M_C3(array_, name,_t) v, size_t i, type x) \
{ \
assert(v != NULL && i < v->size && v->ptr != NULL); \
M_GET_SET oplist(v->ptr[i], x); \
} \
\
static inline const type * \
M_C3(array_, name, _back)(M_C3(array_, name,_t) v) \
{ \
assert (v != NULL && v->ptr != NULL); \
return M_C3(array_, name, _const_cast)(&v->ptr[v->size-1]); \
} \
\
static inline type * \
M_C3(array_, name, _push_raw)(M_C3(array_, name,_t) v) \
{ \
assert (v != NULL && v->size <= v->alloc); \
if (v->size >= v->alloc) { \
assert(v->size == v->alloc); \
size_t alloc = ARRAYI_INC_ALLOC_SIZE(v->alloc); \
assert (alloc > v->size); \
type *ptr = M_MEMORY_REALLOC (type, v->ptr, alloc); \
if (ptr == NULL) { \
M_MEMORY_FULL(sizeof (type) * alloc); \
return NULL; \
} \
v->ptr = ptr; \
v->alloc = alloc; \
} \
assert(v->ptr != NULL); \
type *ret = &v->ptr[v->size]; \
v->size++; \
return ret; \
} \
\
static inline void \
M_C3(array_, name, _push_back)(M_C3(array_, name,_t) v, type const x) \
{ \
assert (v != NULL); \
type *data = M_C3(array_, name, _push_raw)(v); \
if (data == NULL) \
return; \
M_GET_INIT_SET oplist(*data, x); \
} \
\
static inline type * \
M_C3(array_, name, _push_new)(M_C3(array_, name,_t) v) \
{ \
assert (v != NULL); \
type *data = M_C3(array_, name, _push_raw)(v); \
if (data == NULL) \
return NULL; \
M_GET_INIT oplist(*data); \
return data; \
} \
\
static inline void \
M_C3(array_, name, _push_at)(M_C3(array_, name,_t) v, size_t key, type const x) \
{ \
assert (v != NULL && key <= v->size && v->size <= v->alloc); \
if (v->size >= v->alloc) { \
assert(v->size == v->alloc); \
size_t alloc = ARRAYI_INC_ALLOC_SIZE(v->alloc); \
assert (alloc > v->size); \
type *ptr = M_MEMORY_REALLOC (type, v->ptr, alloc); \
if (ptr == NULL) { \
M_MEMORY_FULL(sizeof (type) * alloc); \
return; \
} \
v->ptr = ptr; \
v->alloc = alloc; \
} \
assert(v->ptr != NULL); \
memmove(&v->ptr[key+1], &v->ptr[key], (v->size-key)*sizeof(type)); \
v->size++; \
M_GET_INIT_SET oplist (v->ptr[key], x); \
} \
\
static inline void \
M_C3(array_, name, _resize)(M_C3(array_, name, _t) v, size_t size) \
{ \
assert (v != NULL && v->size <= v->alloc); \
if (v->size > size) { \
/* Decrease size of array */ \
for(size_t i = size ; i < v->size; i++) \
M_GET_CLEAR oplist(v->ptr[i]); \
v->size = size; \
} else if (v->size < size) { \
/* Increase size of array */ \
if (size > v->alloc) { \
size_t alloc = size ; \
type *ptr = M_MEMORY_REALLOC (type, v->ptr, alloc); \
if (ptr == NULL) { \
M_MEMORY_FULL(sizeof (type) * alloc); \
return; \
} \
v->ptr = ptr; \
v->alloc = alloc; \
} \
for(size_t i = v->size ; i < size; i++) \
M_GET_INIT oplist(v->ptr[i]); \
v->size = size; \
} \
assert (v != NULL && v->size <= v->alloc); \
} \
\
static inline void \
M_C3(array_, name, _set_at2)(M_C3(array_, name,_t) v, size_t idx, type x) \
{ \
assert (v != NULL && v->size <= v->alloc); \
size_t size = idx + 1; \
if (v->size <= size) { \
/* Increase size of array */ \
if (size > v->alloc) { \
size_t alloc = ARRAYI_INC_ALLOC_SIZE (size) ; \
type *ptr = M_MEMORY_REALLOC (type, v->ptr, alloc); \
if (ptr == NULL) { \
M_MEMORY_FULL(sizeof (type) * alloc); \
return; \
} \
v->ptr = ptr; \
v->alloc = alloc; \
} \
for(size_t i = v->size ; i < size; i++) \
M_GET_INIT oplist(v->ptr[i]); \
v->size = size; \
} \
M_GET_SET oplist(v->ptr[idx], x); \
assert (v != NULL && v->size <= v->alloc); \
} \
\
static inline void \
M_C3(array_, name, _pop_back)(type *dest, M_C3(array_, name,_t) v) \
{ \
assert (v != NULL && v->size > 0 && v->ptr != NULL); \
v->size--; \
if (dest) \
M_IF_METHOD(MOVE, oplist) ( \
M_GET_MOVE oplist(*dest, v->ptr[v->size]); else \
, \
M_GET_SET oplist(*dest, v->ptr[v->size]); \
) \
M_GET_CLEAR oplist (v->ptr[v->size]); \
} \
\
static inline bool \
M_C3(array_, name, _empty_p)(const M_C3(array_, name,_t) v) \
{ \
assert (v != NULL); \
return v->size == 0; \
} \
\
static inline size_t \
M_C3(array_, name, _size)(const M_C3(array_, name,_t) v) \
{ \
assert (v != NULL); \
return v->size; \
} \
\
static inline size_t \
M_C3(array_, name, _capacity)(const M_C3(array_, name,_t) v) \
{ \
assert (v != NULL); \
return v->alloc; \
} \
\
static inline void \
M_C3(array_, name, _pop_at)(type *dest, M_C3(array_, name,_t) v, size_t i) \
{ \
assert(v != NULL && v->size > 0 && i < v->size && v->ptr != NULL); \
if (dest) \
M_IF_METHOD(MOVE, oplist) ( \
M_GET_MOVE oplist(*dest, v->ptr[i]); else \
, \
M_GET_SET oplist (*dest, v->ptr[i]); \
) \
M_GET_CLEAR oplist (v->ptr[i]); \
memmove(&v->ptr[i], &v->ptr[i+1], sizeof(type)*(v->size - i) ); \
v->size--; \
} \
\
static inline void \
M_C3(array_, name, _insert_v)(M_C3(array_, name,_t) v, size_t i, size_t j) \
{ \
assert (v != NULL); \
assert(i < v->size && j <= v->size && i < j); \
size_t size = v->size + (j-i); \
if (size > v->alloc) { \
size_t alloc = ARRAYI_INC_ALLOC_SIZE (size) ; \
type *ptr = M_MEMORY_REALLOC (type, v->ptr, alloc); \
if (ptr == NULL) { \
M_MEMORY_FULL(sizeof (type) * alloc); \
return; \
} \
v->ptr = ptr; \
v->alloc = alloc; \
} \
memmove(&v->ptr[j], &v->ptr[i], sizeof(type)*(v->size - j) ); \
for(size_t k = i ; k < j; k++) \
M_GET_INIT oplist(v->ptr[i]); \
v->size = size; \
} \
\
static inline void \
M_C3(array_, name, _remove_v)(M_C3(array_, name,_t) v, size_t i, size_t j) \
{ \
assert (v != NULL); \
assert(i < v->size && j <= v->size && i < j && v->ptr != NULL); \
for(size_t k = i ; k < j; k++) \
M_GET_CLEAR oplist(v->ptr[k]); \
memmove(&v->ptr[i], &v->ptr[j], sizeof(type)*(v->size - j) ); \
v->size -= (j-i); \
} \
\
static inline void \
M_C3(array_,name, _remove)(M_C3(array_, name,_t) v, size_t i) \
{ \
M_C3(array_, name, _pop_at)(NULL, v, i); \
} \
\
static inline void \
M_C3(array_, name, _swap)(M_C3(array_, name,_t) v, size_t i, size_t j) \
{ \
assert (v != NULL); \
assert(i < v->size && j < v->size && v->ptr != NULL); \
type tmp; \
M_IF_METHOD(INIT_MOVE, oplist) ( \
M_GET_INIT_MOVE oplist (tmp, v->ptr[i]); \
M_GET_INIT_MOVE oplist (v->ptr[i], v->ptr[j]); \
M_GET_INIT_MOVE oplist (v->ptr[j], tmp); \
, \
M_GET_INIT_SET oplist (tmp, v->ptr[i]); \
M_GET_SET oplist(v->ptr[i], v->ptr[j]); \
M_GET_SET oplist(v->ptr[j], tmp); \
M_GET_CLEAR oplist(tmp); \
) /* IF INIT_MOVE method */ \
} \
\
static inline void \
M_C3(array_, name, _shrink_to_fit)(M_C3(array_, name,_t) v) \
{ \
assert (v != NULL && v->size <= v->alloc); \
v->ptr = M_MEMORY_REALLOC (type, v->ptr, v->size); \
assert(v->ptr != NULL || v->size == 0); \
v->alloc = v->size; \
} \
\
static inline type * \
M_C3(array_, name, _get)(M_C3(array_, name,_t) v, size_t i) \
{ \
assert (v != NULL && i < v->size && v->ptr != NULL); \
return &v->ptr[i]; \
} \
\
static inline const type * \
M_C3(array_, name, _cget)(const M_C3(array_, name,_t) v, size_t i) \
{ \
assert(v != NULL && i < v->size && v->ptr != NULL); \
return M_C3(array_, name, _const_cast)(&v->ptr[i]); \
} \
\
static inline void \
M_C3(array_, name, _it)(M_C3(array_it_,name,_t) it, \
M_C3(array_, name, _t) v) \
{ \
assert (it != NULL && v != NULL); \
it->index = 0; \
it->array = v; \
} \
\
static inline void \
M_C3(array_, name, _it_set)(M_C3(array_it_,name,_t) it, \
const M_C3(array_it_, name, _t) org) \
{ \
assert (it != NULL && org != NULL); \
it->index = org->index; \
it->array = org->array; \
} \
\
static inline bool \
M_C3(array_, name, _end_p)(const M_C3(array_it_, name, _t) it) \
{ \
assert(it != NULL && it->array != NULL); \
return (it->index) >= it->array->size; \
} \
\
static inline bool \
M_C3(array_, name, _last_p)(const M_C3(array_it_, name, _t) it) \
{ \
assert(it != NULL && it->array != NULL); \
/* NOTE: Case i=0 & s=0 ==> true since unsigned type */ \
return (it->index) >= it->array->size-1; \
} \
\
static inline bool \
M_C3(array_, name, _it_equal_p)(const M_C3(array_it_, name,_t) it1, \
const M_C3(array_it_, name,_t) it2) \
{ \
assert(it1 != NULL && it2 != NULL); \
return it1->array == it2->array && it1->index == it2->index; \
} \
\
static inline void \
M_C3(array_, name, _next)(M_C3(array_it_,name,_t) it) \
{ \
assert(it != NULL && it->array != NULL); \
it->index ++; \
} \
\
static inline void \
M_C3(array_, name, _previous)(M_C3(array_it_,name,_t) it) \
{ \
assert(it != NULL && it->array != NULL); \
/* NOTE: In the case index=0, it will be set to (unsigned) -1 \
==> it will be greater than size ==> end_p will return true */ \
it->index --; \
} \
\
static inline type * \
M_C3(array_, name, _ref)(M_C3(array_it_, name,_t) it) \
{ \
assert(it != NULL); \
return M_C3(array_, name, _get)(it->array, it->index); \
} \
\
static inline const type * \
M_C3(array_, name, _cref)(const M_C3(array_it_, name,_t) it) \
{ \
assert(it != NULL); \
return M_C3(array_, name, _cget)(it->array, it->index); \
} \
\
static inline void \
M_C3(array_, name, _insert)(M_C3(array_it_, name,_t) it, type const x) \
{ \
assert(it != NULL); \
M_C3(array_, name, _push_at)(it->array, it->index, x); \
} \
\
M_IF_METHOD(CMP, oplist) \
( \
static inline void M_C3(array_, name, _sort)(M_C3(array_, name,_t) l, \
int (*func_type) (const type *a, const type *b))\
{ \
/* Using qsort is more compact but slower than a full templated \
version which can be twice faster */ \
int (*func_void)(const void*, const void*); \
/* There is no way to avoid the cast */ \
func_void = (int (*)(const void*, const void*))func_type; \
qsort (l->ptr, l->size, sizeof(type), func_void); \
} \
,) /* IF CMP oplist */ \
\
M_IF_METHOD(GET_STR, oplist)( \
static inline void \
M_C3(array_, name, _get_str)(string_t str, M_C3(array_, name,_t) array, \
bool append) \
{ \
assert (str != NULL && array != NULL); \
(append ? string_cat_str : string_set_str) (str, "["); \
M_C3(array_it_, name, _t) it; \
for (M_C3(array_, name, _it)(it, array) ; \
!M_C3(array_, name, _end_p)(it); \
M_C3(array_, name, _next)(it)){ \
const type *item = M_C3(array_, name, _cref)(it); \
M_GET_GET_STR oplist (str, *item, true); \
if (!M_C3(array_, name, _last_p)(it)) \
string_push_back (str, M_GET_SEPARATOR oplist); \
} \
string_push_back (str, ']'); \
} \
, /* no str */ ) \
\
M_IF_METHOD(OUT_STR, oplist)( \
static inline void \
M_C3(array_, name, _out_str)(FILE *file, M_C3(array_, name,_t) array) \
{ \
assert (file != NULL && array != NULL); \
fprintf (file, "["); \
M_C3(array_it_, name, _t) it; \
for (M_C3(array_, name, _it)(it, array) ; \
!M_C3(array_, name, _end_p)(it); \
M_C3(array_, name, _next)(it)){ \
const type *item = M_C3(array_, name, _cref)(it); \
M_GET_OUT_STR oplist (file, *item); \
if (!M_C3(array_, name, _last_p)(it)) \
fputc (M_GET_SEPARATOR oplist, file); \
} \
fprintf (file, "]"); \
} \
, /* no out_str */ ) \
\
M_IF_METHOD(IN_STR, oplist)( \
static inline bool \
M_C3(array_, name, _in_str)(M_C3(array_, name,_t) array, FILE *file) \
{ \
assert (file != NULL && array != NULL); \
M_C3(array_, name,_clean)(array); \
char c = fgetc(file); \
if (c != '[') return false; \
type item; \
M_GET_INIT oplist (item); \
do { \
bool b = M_GET_IN_STR oplist (item, file); \
c = fgetc(file); \
if (!b) { /* How to push back char in stream ? */ break; } \
M_C3(array_, name, _push_back)(array, item); \
} while (c == M_GET_SEPARATOR oplist && !feof(file) && !ferror(file)); \
M_GET_CLEAR oplist (item); \
return c == ']'; \
} \
, /* no in_str */ ) \
\
M_IF_METHOD(EQUAL, oplist)( \
static inline bool \
M_C3(array_, name, _equal_p)(M_C3(array_, name,_t) array1, \
M_C3(array_, name,_t) array2) \
{ \
assert (array1 != NULL && array2 != NULL); \
if (array1->size != array2->size) return false; \
M_C3(array_it_, name, _t) it1; \
M_C3(array_it_, name, _t) it2; \
M_C3(array_, name, _it)(it1, array1); \
M_C3(array_, name, _it)(it2, array2); \
while (!M_C3(array_, name, _end_p)(it1) \
&&!M_C3(array_, name, _end_p)(it2)) { \
const type *item1 = M_C3(array_, name, _cref)(it1); \
const type *item2 = M_C3(array_, name, _cref)(it2); \
bool b = M_GET_EQUAL oplist (*item1, *item2); \
if (!b) return false; \
M_C3(array_, name, _next)(it1); \
M_C3(array_, name, _next)(it2); \
} \
return M_C3(array_, name, _end_p)(it1) \
&& M_C3(array_, name, _end_p)(it2); \
} \
, /* no equal */ ) \
\
M_IF_METHOD(HASH, oplist)( \
static inline size_t \
M_C3(array_, name, _hash)(/*const*/ M_C3(array_, name,_t) array) \
{ \
assert (array != NULL); \
M_HASH_DECL(hash); \
M_C3(array_it_, name, _t) it; \
for(M_C3(array_, name, _it)(it, array) ; \
!M_C3(array_, name, _end_p)(it); \
M_C3(array_, name, _next)(it)) { \
const type *item = M_C3(array_, name, _cref)(it); \
size_t hi = M_GET_HASH oplist (*item); \
M_HASH_UP(hash, hi); \
} \
return hash; \
} \
, /* no hash */ ) \
\
// TODO: 'remove' interface is different in list & array ==> erase for iterator & pop for size_t
#endif