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map: Add empty fixed map.

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Useful when need to call kw-receiving functions  without any keywords
from C, etc.
This commit is contained in:
Paul Sokolovsky
2014-11-26 21:17:16 +02:00
committed by Damien George
parent 317cf18486
commit e5dbe1e283
2 changed files with 12 additions and 0 deletions
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10
py/map.c
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@@ -34,6 +34,16 @@
#include "obj.h"
#include "runtime0.h"
// Fixed empty map. Useful when need to call kw-receiving functions
// without any keywords from C, etc.
const mp_map_t mp_const_empty_map = {
.all_keys_are_qstrs = 0,
.table_is_fixed_array = 1,
.used = 0,
.alloc = 0,
.table = NULL,
};
// approximatelly doubling primes; made with Mathematica command: Table[Prime[Floor[(1.7)^n]], {n, 3, 24}]
// prefixed with zero for the empty case.
STATIC uint32_t doubling_primes[] = {0, 7, 19, 43, 89, 179, 347, 647, 1229, 2297, 4243, 7829, 14347, 26017, 47149, 84947, 152443, 273253, 488399, 869927, 1547173, 2745121, 4861607};