remove a condition that table size must be passed as power of 2 (#14926)

* remove a condition that table size must be passed as power of 2
* remove power-of-2 condition from sets and sharedtables
* remove power-of-2 condition from deques
* use 'correctSize' for both branches
* prettify changelog.md and fix typos
* add a changelog entry
* fix double-call of 'right-size'
* fix the same thing in sets.nim
* introduce a new internal proc `slotsNeeded`

Deprecate the public proc `rightSize`, which is not needed anymore.
Now it is an identity function, allowing the old code to work
correctly and without extra allocations.
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Miran 2020-07-08 15:01:47 +02:00 • committed by GitHub
commit 3de5296337
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10 changed files with 83 additions and 120 deletions

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@ -301,8 +301,7 @@ template build_specification_lookup():
OrderedTable[string, ptr Tparameter_specification] =
## Returns the table used to keep pointers to all of the specifications.
var result {.gensym.}: OrderedTable[string, ptr Tparameter_specification]
result = initOrderedTable[string, ptr Tparameter_specification](
tables.rightSize(expected.len))
result = initOrderedTable[string, ptr Tparameter_specification](expected.len)
for i in 0..expected.len-1:
for param_to_detect in expected[i].names:
if result.hasKey(param_to_detect):