diff options
| -rw-r--r-- | lib/pure/collections/tables.nim | 15 | ||||
| -rw-r--r-- | tests/stdlib/t20023.nim | 10 |
2 files changed, 25 insertions, 0 deletions
diff --git a/lib/pure/collections/tables.nim b/lib/pure/collections/tables.nim index 9ecc6b8e6..53490c911 100644 --- a/lib/pure/collections/tables.nim +++ b/lib/pure/collections/tables.nim @@ -2901,3 +2901,18 @@ iterator mvalues*[A](t: CountTableRef[A]): var int = if t.data[h].val != 0: yield t.data[h].val assert(len(t) == L, "the length of the table changed while iterating over it") + +proc hash*[K,V](s: Table[K,V]): Hash = + for p in pairs(s): + result = result xor hash(p) + result = !$result + +proc hash*[K,V](s: OrderedTable[K,V]): Hash = + for p in pairs(s): + result = result !& hash(p) + result = !$result + +proc hash*[V](s: CountTable[V]): Hash = + for p in pairs(s): + result = result xor hash(p) + result = !$result \ No newline at end of file diff --git a/tests/stdlib/t20023.nim b/tests/stdlib/t20023.nim new file mode 100644 index 000000000..8f12f8993 --- /dev/null +++ b/tests/stdlib/t20023.nim @@ -0,0 +1,10 @@ +import std/[tables, hashes, assertions] + + +let t = () +var a = toTable({t:t}) +del(a,t) +let b = default(typeof(a)) + +doAssert a==b , "tables are not equal" +doAssert hash(a) == hash(b), "table hashes are not equal" |