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RFC: https://github.com/nim-lang/RFCs/issues/539
- ~~mgetOrPutDefaultImpl template into `tableimpl.nim` to avoid macros~~
- mgetOrPut for `Table`, `TableRef`, `OrderedTable`, `OrderedTableRef`
- `tests/stdlib/tmget.nim` tests update
---------
Co-authored-by: inv2004 <>
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fixes #22898
In these cases, the tables/sets are clears or elements are deleted from
them. It's reasonable to suppress warnings because the value is not
accessed anymore, which means it's safe to ignore the warnings.
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(#22895)
fixes #22883
…eDefault` warnings
avoid issues mentioned by https://forum.nim-lang.org namely, it
allocated unnecessary stack objects in the loop
```c
while (1)
{
tyObject_N__8DSNqSGSHBKOhI8CqSgAow T5_;
nimZeroMem((void *)(&T5_), sizeof(tyObject_N__8DSNqSGSHBKOhI8CqSgAow));
eqsink___test4954_u450((&(*t_p0).data.p->data[i].Field1), T5_);
}
```
It might be more efficient in some cases
follow up https://github.com/nim-lang/Nim/pull/21821
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follow up https://github.com/nim-lang/Nim/pull/22851
follow up https://github.com/nim-lang/Nim/pull/22873
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ref https://forum.nim-lang.org/t/10525
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It's not used in the compiler, besides, it doesn't seem to be a common
operation. Follows the discussion on the Discord.
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fixes #22554
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Co-authored-by: Andreas Rumpf <rumpf_a@web.de>
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fixes #22543
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* followup #21507
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* wip; use strictdefs for compiler
* checkpoint
* complete the chores
* more fixes
* first phase cleanup
* Update compiler/bitsets.nim
* cleanup
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* fix #20023 hash for generic tables
* use default computation
* Update lib/pure/collections/tables.nim
Co-authored-by: Dan Rose <dan@digilabs.io>
* Update lib/pure/collections/tables.nim
Co-authored-by: Dan Rose <dan@digilabs.io>
* Update lib/pure/collections/tables.nim
* Update lib/pure/collections/tables.nim
* Update t20023.nim
---------
Co-authored-by: Dan Rose <dan@digilabs.io>
Co-authored-by: Andreas Rumpf <rumpf_a@web.de>
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fix #21251
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* Add `minmax` to sequtils
This adds a `minmax` proc to complement `min` and `max`; it computes
both results in a single pass for efficiency.
* Update lib/pure/collections/sequtils.nim
* Add minmax note to changelog.
---------
Co-authored-by: Andreas Rumpf <rumpf_a@web.de>
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Revert "Add `cursor` to lists iterator variables (#21527)"
This reverts commit 3936071772d648f98c36e5aad16a341b86344e6c.
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* followup #21507
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`len` could contain side effects and may result in different values when
substituted twice in the template expansion. Instead, capture the result
of substituting `len` once.
closes: #21538
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Add `cursor` annotations to iterator variables
* See https://nim-lang.github.io/Nim/destructors.html#the-cursor-pragma
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* fixes #21393 and misc style changes
* progress
---------
Co-authored-by: ringabout <43030857+ringabout@users.noreply.github.com>
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fixes #21278; deques.shrink off ny one bug
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* remove legacy code
* fixes
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* Document system:pop() may raise IndexDefect
* Add backticks to KeyError
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* Remove deprecated rightSize nop
* Remove deprecated rightSize nop
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* out parameters: enforce that 'out' is only used as a parameter
* make tables.nim use 'out' parameters
* better backwards compat
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* produce better code for closure environment creation
* new 'first write' analysis;
* scope based move analyser
* code cleanup
Co-authored-by: ringabout <43030857+ringabout@users.noreply.github.com>
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* make more standard libraries work with `nimPreviewSlimSystem`
* typo
* part two
* Delete specutils.nim
* fixes more tests
* more fixes
* fixes tests
* fixes three more tests
* add formatfloat import
* fix
* last
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remove `var` from ref parameters; make it consistent
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* micro implementation of rfc 149
refs https://github.com/nim-lang/RFCs/issues/149
* number/array/seq literals, more statements
* try fix number literal alias issue
* renew expectedType with if/case/try branch types
* fix (nerf) index type handling and float typed int
* use typeAllowed
* tweaks + const test (tested locally) [skip ci]
* fill out more of the checklist
* more literals, change @ order, type conversions
Not copying the full call tree before the typedesc call check
in `semIndirectOp` is also a small performance improvement.
* disable self-conversion warning
* revert type conversions (maybe separate op later)
* deal with CI for now (seems unrelated), try enums
* workaround CI different way
* proper fix
* again
* see sizes
* lol
* overload selection, simplify int literal -> float
* range, new @ solution, try use fitNode for nil
* use new magic
* try fix ranges, new magic, deal with #20193
* add documentation, support templates
Co-authored-by: Andreas Rumpf <rumpf_a@web.de>
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* bootstrap the compiler with nimPreviewSlimSystem
* threads
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* Add sink and lent to critbits
* Remove lent for pairs
I guess lent doesn't work well inside tuples
* Remove lent from template in critbits
Apparently this also doesn't work, because some checks failed
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Found another small typo.
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`DoublyLinkedList` (#19315) [backport]
* Update lists.nim
* Update tlists.nim
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* Update lists.nim
* Update tlists.nim
* removed check `if b.tail != nil`
The tail of the list being null it is still possible to retrieve its end by going through all nodes from the head. So checking for null from `b.tail` is unnecessary. However, setting `a.tail = b.tail` only if `a.head != nil`, so you don't break a good list with an already broken one.
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Changes the order of procs definitions in order to avoid calling an undefined proc.
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Nim 1.4.x compiled the below code without error when using
`--experimental:strictFuncs`
import std/sequtils
type Foo = ref object
let foo1 = Foo()
let foo2 = Foo()
let foos = @[foo1, foo2]
let fooTuples = @[(foo1, 1), (foo2, 2)]
discard repeat(foo1, 3)
discard zip(foos, foos)
discard unzip(fooTuples)
However, since 2020-12-09, devel Nim produced errors like
/tmp/bar.nim(11, 15) template/generic instantiation of `repeat` from here
/foo/nim/pure/collections/sequtils.nim(172, 6) Error: 'repeat' can have side effects
an object reachable from 'x' is potentially mutated
/foo/nim/pure/collections/sequtils.nim(183, 15) the mutation is here
/foo/nim/pure/collections/sequtils.nim(183, 15) is the statement that connected the mutation to the parameter
This commit reverts some `proc` to `func` changes so that code that:
- calls `repeat`, `zip`, or `unzip`
- and instantiates them with types containing `ref`
can once again be compiled with `strictFuncs`. Otherwise, a user might
be forced to drop or alter their `strictFuncs` use when upgrading from
Nim 1.4.x, or when writing new code that uses these procedures (at least
for now, with the current `strictFuncs` implementation).
This commit also adds tests to assert that the remaining funcs in this
module can be compiled with `strictFuncs` when used with types
containing `ref`.
The original batch of `proc` to `func` changes in `sequtils.nim` was in
commit 6f57ebae349f, which was partially reverted in 38eb021f8158.
See also: https://github.com/nim-lang/Nim/issues/16305
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* complement notes of two doc strings warning the deprecated procedure's side effect
* Update lib/pure/collections/tables.nim
Co-authored-by: konsumlamm <44230978+konsumlamm@users.noreply.github.com>
* Update lib/pure/collections/tables.nim
Co-authored-by: konsumlamm <44230978+konsumlamm@users.noreply.github.com>
Co-authored-by: BillyZee <billyzee@localhost.localdomain>
Co-authored-by: Andreas Rumpf <rumpf_a@web.de>
Co-authored-by: konsumlamm <44230978+konsumlamm@users.noreply.github.com>
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Use better names in example
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