This PR fixes the `path type` command so that it resolves relative paths
using PWD from the engine state.
As a bonus, it also fixes the issue of `path type` returning an empty
string instead of an error when it fails.
This PR fixes a bug where `.` is expanded into an empty string when used
as an argument to external commands. Fixes
https://github.com/nushell/nushell/issues/12948.
---------
Co-authored-by: Ian Manske <ian.manske@pm.me>
# Description
@maxim-uvarov did a ton of research and work with the dply-rs author and
ritchie from polars and found out that the allocator matters on macos
and it seems to be what was messing up the performance of polars plugin.
ritchie suggested to use jemalloc but i switched it to mimalloc to match
nushell and it seems to run better.
## Before (default allocator)
note - using 1..10 vs 1..100 since it takes so long. also notice how
high the `max` timings are compared to mimalloc below.
```nushell
❯ 1..10 | each {timeit {polars open Data7602DescendingYearOrder.csv | polars group-by year | polars agg (polars col geo_count | polars sum) | polars collect | null}} | | {mean: ($in | math avg), min: ($in | math min), max: ($in | math max), stddev: ($in | into int | into float | math stddev | into int | $'($in)ns' | into duration)}
╭────────┬─────────────────────────╮
│ mean │ 4sec 999ms 605µs 995ns │
│ min │ 983ms 627µs 42ns │
│ max │ 13sec 398ms 135µs 791ns │
│ stddev │ 3sec 476ms 479µs 939ns │
╰────────┴─────────────────────────╯
❯ use std bench
❯ bench { polars open Data7602DescendingYearOrder.csv | polars group-by year | polars agg (polars col geo_count | polars sum) | polars collect | null } -n 10
╭───────┬────────────────────────╮
│ mean │ 6sec 220ms 783µs 983ns │
│ min │ 1sec 184ms 997µs 708ns │
│ max │ 18sec 882ms 81µs 708ns │
│ std │ 5sec 350ms 375µs 697ns │
│ times │ [list 10 items] │
╰───────┴────────────────────────╯
```
## After (using mimalloc)
```nushell
❯ 1..100 | each {timeit {polars open Data7602DescendingYearOrder.csv | polars group-by year | polars agg (polars col geo_count | polars sum) | polars collect | null}} | | {mean: ($in | math avg), min: ($in | math min), max: ($in | math max), stddev: ($in | into int | into float | math stddev | into int | $'($in)ns' | into duration)}
╭────────┬───────────────────╮
│ mean │ 103ms 728µs 902ns │
│ min │ 97ms 107µs 42ns │
│ max │ 149ms 430µs 84ns │
│ stddev │ 5ms 690µs 664ns │
╰────────┴───────────────────╯
❯ use std bench
❯ bench { polars open Data7602DescendingYearOrder.csv | polars group-by year | polars agg (polars col geo_count | polars sum) | polars collect | null } -n 100
╭───────┬───────────────────╮
│ mean │ 103ms 620µs 195ns │
│ min │ 97ms 541µs 166ns │
│ max │ 130ms 262µs 166ns │
│ std │ 4ms 948µs 654ns │
│ times │ [list 100 items] │
╰───────┴───────────────────╯
```
## After (using jemalloc - just for comparison)
```nushell
❯ 1..100 | each {timeit {polars open Data7602DescendingYearOrder.csv | polars group-by year | polars agg (polars col geo_count | polars sum) | polars collect | null}} | | {mean: ($in | math avg), min: ($in | math min), max: ($in | math max), stddev: ($in | into int | into float | math stddev | into int | $'($in)ns' | into duration)}
╭────────┬───────────────────╮
│ mean │ 113ms 939µs 777ns │
│ min │ 108ms 337µs 333ns │
│ max │ 166ms 467µs 458ns │
│ stddev │ 6ms 175µs 618ns │
╰────────┴───────────────────╯
❯ use std bench
❯ bench { polars open Data7602DescendingYearOrder.csv | polars group-by year | polars agg (polars col geo_count | polars sum) | polars collect | null } -n 100
╭───────┬───────────────────╮
│ mean │ 114ms 363µs 530ns │
│ min │ 108ms 804µs 833ns │
│ max │ 143ms 521µs 459ns │
│ std │ 5ms 88µs 56ns │
│ times │ [list 100 items] │
╰───────┴───────────────────╯
```
## After (using parquet + mimalloc)
```nushell
❯ 1..100 | each {timeit {polars open data.parquet | polars group-by year | polars agg (polars col geo_count | polars sum) | polars collect | null}} | | {mean: ($in | math avg), min: ($in | math min), max: ($in | math max), stddev: ($in | into int | into float | math stddev | into int | $'($in)ns' | into duration)}
╭────────┬──────────────────╮
│ mean │ 34ms 255µs 492ns │
│ min │ 31ms 787µs 250ns │
│ max │ 76ms 408µs 416ns │
│ stddev │ 4ms 472µs 916ns │
╰────────┴──────────────────╯
❯ use std bench
❯ bench { polars open data.parquet | polars group-by year | polars agg (polars col geo_count | polars sum) | polars collect | null } -n 100
╭───────┬──────────────────╮
│ mean │ 34ms 897µs 562ns │
│ min │ 31ms 518µs 542ns │
│ max │ 65ms 943µs 625ns │
│ std │ 3ms 450µs 741ns │
│ times │ [list 100 items] │
╰───────┴──────────────────╯
```
# User-Facing Changes
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# Tests + Formatting
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# Description
Instead of returning an error, this PR changes `expand_glob` in
`run_external.rs` to return the original string arg if glob creation
failed. This makes it so that, e.g.,
```nushell
^echo `[`
^echo `***`
```
no longer fail with a shell error. (This follows from #12921.)
# Description
Currently, this pipeline doesn't work `open --raw file | take 100`,
since the type of the byte stream is `Unknown`, but `take` expects
`Binary` streams. This PR changes commands that expect
`ByteStreamType::Binary` to also work with `ByteStreamType::Unknown`.
This was done by adding two new methods to `ByteStreamType`:
`is_binary_coercible` and `is_string_coercible`. These return true if
the type is `Unknown` or matches the type in the method name.
# Description
Makes the `from json --objects` command produce a stream, and read
lazily from an input stream to produce its output.
Also added a helper, `PipelineData::get_type()`, to make it easier to
construct a wrong type error message when matching on `PipelineData`. I
expect checking `PipelineData` for either a string value or an `Unknown`
or `String` typed `ByteStream` will be very, very common. I would have
liked to have a helper that just returns a readable stream from either,
but that would either be a bespoke enum or a `Box<dyn BufRead>`, which
feels like it wouldn't be so great for performance. So instead, taking
the approach I did here is probably better - having a function that
accepts the `impl BufRead` and matching to use it.
# User-Facing Changes
- `from json --objects` no longer collects its input, and can be used
for large datasets or streams that produce values over time.
# Tests + Formatting
All passing.
# After Submitting
- [ ] release notes
---------
Co-authored-by: Ian Manske <ian.manske@pm.me>
This reverts commit 68adc4657f.
# Description
Reverts the lazyframe refactor (#12669) for the next release, since
there are still a few lingering issues. This temporarily solves #12863
and #12828. After the release, the lazyframes can be added back and
cleaned up.
Another very boring PR cleaning up and documenting some of `explore`'s
innards. Mostly renaming things that I found confusing or vague when
reading through the code, also adding some comments.
# Description
Fixes: #12941
~~The issue is cause by some columns(is_builtin, is_plugin, is_custom,
is_keyword) are removed in #10023~~
Edit: I'm wrong
# Tests + Formatting
Added one test for `std help`
# Description
Following from #12523, this PR removes support for lists of environments
variables in the `with-env` command. Rather, only records will be
supported now.
# After Submitting
Update examples using the list form in the docs and book.
Small change, removing 4 more configuration options from `explore`'s
binary viewer:
1. `show_index`
2. `show_data`
3. `show_ascii`
4. `show_split`
These controlled whether the 3 columns in the binary viewer (index, hex
data, ASCII) and the pipe separator (`|`) in between them are shown. I
don't think we need this level of configurability until the `explore`
command is more mature, and maybe even not then; we can just show them
all.
I think it's very unlikely that anyone is using these configuration
points.
Also, the row offset (e.g. how many rows we have scrolled down) was
being stored in config/settings when it's arguably not config; more like
internal state of the binary viewer. I moved it to a more appropriate
location and renamed it.
# Description
```nushell
❯ ls
╭───┬───────┬──────┬──────┬──────────╮
│ # │ name │ type │ size │ modified │
├───┼───────┼──────┼──────┼──────────┤
│ 0 │ a.txt │ file │ 0 B │ now │
╰───┴───────┴──────┴──────┴──────────╯
❯ ls a.
NO RECORDS FOUND
```
There is a completion issue on previous version, I think @amtoine have
reproduced it before. But currently I can't reproduce it on latest main.
To avoid such regression, I added some tests for completion.
---------
Co-authored-by: Antoine Stevan <44101798+amtoine@users.noreply.github.com>
# Description
Fixes: https://github.com/nushell/nushell/issues/7761
It's still unsure if we want to change the `range semantic` itself, but
it's good to keep range semantic consistent between nushell commands.
# User-Facing Changes
### Before
```nushell
❯ "abc" | str substring 1..=2
b
```
### After
```nushell
❯ "abc" | str substring 1..=2
bc
```
# Tests + Formatting
Adjust tests to fit new behavior
As discussed in https://github.com/nushell/nushell/pull/12749, we no
longer need to call `std::env::set_current_dir()` to sync `$env.PWD`
with the actual working directory. This PR removes the call from
`EngineState::merge_env()`.
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# Description
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1. With the `-l` flag, `debug profile` now collects files and line
numbers of profiled pipeline elements
2. Error from the profiled closure will be reported instead of silently
ignored.
# User-Facing Changes
<!-- List of all changes that impact the user experience here. This
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New `--lines(-l)` flag to `debug profile`. The command will also fail if
the profiled closure fails, so technically it is a breaking change.
# Tests + Formatting
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# After Submitting
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---------
Co-authored-by: Ian Manske <ian.manske@pm.me>
# Description
Implements streaming for:
- `from csv`
- `from tsv`
- `to csv`
- `to tsv`
via the new string-typed ByteStream support.
# User-Facing Changes
Commands above. Also:
- `to csv` and `to tsv` now have `--columns <List(String)>`, to provide
the exact columns desired in the output. This is required for them to
have streaming output, because otherwise collecting the entire list is
necessary to determine the output columns. If we introduce
`TableStream`, this may become less necessary.
# Tests + Formatting
- 🟢 `toolkit fmt`
- 🟢 `toolkit clippy`
- 🟢 `toolkit test`
- 🟢 `toolkit test stdlib`
# After Submitting
- [ ] release notes
---------
Co-authored-by: Ian Manske <ian.manske@pm.me>
# Description
I feel like it's a little sad that BSDs get to enjoy almost everything
other than the `ps` command, and there are some tests that rely on this
command, so I figured it would be fun to patch that and make it work.
The different BSDs have diverged from each other somewhat, but generally
have a similar enough API for reading process information via
`sysctl()`, with some slightly different args.
This supports FreeBSD with the `freebsd` module, and NetBSD and OpenBSD
with the `netbsd` module. OpenBSD is a fork of NetBSD and the interface
has some minor differences but many things are the same.
I had wanted to try to support DragonFlyBSD too, but their Rust version
in the latest release is only 1.72.0, which is too old for me to want to
try to compile rustc up to 1.77.2... but I will revisit this whenever
they do update it. Dragonfly is a fork of FreeBSD, so it's likely to be
more or less the same - I just don't want to enable it without testing
it.
Fixes#6862 (partially, we probably won't be adding `zfs list`)
# User-Facing Changes
`ps` added for FreeBSD, NetBSD, and OpenBSD.
# Tests + Formatting
The CI doesn't run tests for BSDs, so I'm not entirely sure if
everything was already passing before. (Frankly, it's unlikely.) But
nothing appears to be broken.
# After Submitting
- [ ] release notes?
- [ ] DragonflyBSD, whenever they do update Rust to something close
enough for me to try it
Bumps [shadow-rs](https://github.com/baoyachi/shadow-rs) from 0.27.1 to
0.28.0.
<details>
<summary>Release notes</summary>
<p><em>Sourced from <a
href="https://github.com/baoyachi/shadow-rs/releases">shadow-rs's
releases</a>.</em></p>
<blockquote>
<h2>fix cargo clippy</h2>
<p><a
href="https://redirect.github.com/baoyachi/shadow-rs/issues/160">#160</a></p>
<p>Thx <a href="https://github.com/qartik"><code>@qartik</code></a></p>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a
href="ba9f8b0c2b"><code>ba9f8b0</code></a>
Update Cargo.toml</li>
<li><a
href="d1b724c1e7"><code>d1b724c</code></a>
Merge pull request <a
href="https://redirect.github.com/baoyachi/shadow-rs/issues/160">#160</a>
from qartik/patch-1</li>
<li><a
href="505108d5d6"><code>505108d</code></a>
Allow missing_docs for deprecated CLAP_VERSION constant</li>
<li>See full diff in <a
href="https://github.com/baoyachi/shadow-rs/compare/v0.27.1...v0.28.0">compare
view</a></li>
</ul>
</details>
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# Description
While each of the `help <subcommands>` in `std` had completers, there
wasn't one for the main `help` command.
This adds all internals and custom commands (as with `help commands`) as
possible completions.
# User-Facing Changes
`help ` + <kbd>Tab</kbd> will now suggest completions for both the `help
<subcommands>` as well as all internal and custom commands.
# Tests + Formatting
Note: Cannot add tests for completion functions since they are
module-internal and not visible to test cases, that I can see.
- 🟢 `toolkit fmt`
- 🟢 `toolkit clippy`
- 🟢 `toolkit test`
- 🟢 `toolkit test stdlib`
- **Remove unused `pathdiff` dep in `nu-cli`**
- **Remove unused `serde_json` dep on `nu-protocol`**
- Unnecessary after moving the plugin file to msgpack (still a
dev-dependency)
Some minor changes to `explore`, continuing on my mission to simplify
the command in preparation for a larger UX overhaul:
1. Consolidate padding configuration. I don't think we need separate
config points for the (optional) index column and regular data columns
in the normal pager, they can share padding configuration. Likewise, in
the binary viewer all 3 columns (index, data, ASCII) had their
left+right padding configured independently.
2. Update `explore` so we use the binary viewer for the new `ByteStream`
type. `cat foo.txt | into binary | explore` was not using the binary
viewer after the `ByteStream` changes.
3. Tweak the naming of a few helper functions, add a comment
I've put the changes in separate commits to make them easier to review.
---------
Co-authored-by: Stefan Holderbach <sholderbach@users.noreply.github.com>
# Description
Removes the old `nu-cmd-dataframe` crate in favor of the polars plugin.
As such, this PR also removes the `dataframe` feature, related CI, and
full releases of nushell.
# Description
This PR adds min and max to the bench command.
```nushell
❯ use std bench
❯ bench { dply -c 'parquet("./data.parquet") | group_by(year) | summarize(count = n(), sum = sum(geo_count)) | show()' | complete | null } --rounds 100 --verbose
100 / 100
╭───────┬───────────────────╮
│ mean │ 71ms 358µs 850ns │
│ min │ 66ms 457µs 583ns │
│ max │ 120ms 338µs 167ns │
│ std │ 6ms 553µs 949ns │
│ times │ [list 100 items] │
╰───────┴───────────────────╯
```
# User-Facing Changes
<!-- List of all changes that impact the user experience here. This
helps us keep track of breaking changes. -->
# Tests + Formatting
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# Description
This PR allows byte streams to optionally be colored as being
specifically binary or string data, which guarantees that they'll be
converted to `Binary` or `String` appropriately on `into_value()`,
making them compatible with `Type` guarantees. This makes them
significantly more broadly usable for command input and output.
There is still an `Unknown` type for byte streams coming from external
commands, which uses the same behavior as we previously did where it's a
string if it's UTF-8.
A small number of commands were updated to take advantage of this, just
to prove the point. I will be adding more after this merges.
# User-Facing Changes
- New types in `describe`: `string (stream)`, `binary (stream)`
- These commands now return a stream if their input was a stream:
- `into binary`
- `into string`
- `bytes collect`
- `str join`
- `first` (binary)
- `last` (binary)
- `take` (binary)
- `skip` (binary)
- Streams that are explicitly binary colored will print as a streaming
hexdump
- example:
```nushell
1.. | each { into binary } | bytes collect
```
# Tests + Formatting
I've added some tests to cover it at a basic level, and it doesn't break
anything existing, but I do think more would be nice. Some of those will
come when I modify more commands to stream.
# After Submitting
There are a few things I'm not quite satisfied with:
- **String trimming behavior.** We automatically trim newlines from
streams from external commands, but I don't think we should do this with
internal commands. If I call a command that happens to turn my string
into a stream, I don't want the newline to suddenly disappear. I changed
this to specifically do it only on `Child` and `File`, but I don't know
if this is quite right, and maybe we should bring back the old flag for
`trim_end_newline`
- **Known binary always resulting in a hexdump.** It would be nice to
have a `print --raw`, so that we can put binary data on stdout
explicitly if we want to. This PR doesn't change how external commands
work though - they still dump straight to stdout.
Otherwise, here's the normal checklist:
- [ ] release notes
- [ ] docs update for plugin protocol changes (added `type` field)
---------
Co-authored-by: Ian Manske <ian.manske@pm.me>
# Description
Changes `get_full_help` to take a `&dyn Command` instead of multiple
arguments (`&Signature`, `&Examples` `is_parser_keyword`). All of these
arguments can be gathered from a `Command`, so there is no need to pass
the pieces to `get_full_help`.
This PR also fixes an issue where the search terms are not shown if
`--help` is used on a command.
# Description
There is a bug when `hide-env` is used on environment variables that
were present at shell startup. Namely, child processes still inherit the
hidden environment variable. This PR fixes#12900, fixes#11495, and
fixes#7937.
# Tests + Formatting
Added a test.
# Description
Kind of a vague title, but this PR does two main things:
1. Rather than overriding functions like `Command::is_parser_keyword`,
this PR instead changes commands to override `Command::command_type`.
The `CommandType` returned by `Command::command_type` is then used to
automatically determine whether `Command::is_parser_keyword` and the
other `is_{type}` functions should return true. These changes allow us
to remove the `CommandType::Other` case and should also guarantee than
only one of the `is_{type}` functions on `Command` will return true.
2. Uses the new, reworked `Command::command_type` function in the `scope
commands` and `which` commands.
# User-Facing Changes
- Breaking change for `scope commands`: multiple columns (`is_builtin`,
`is_keyword`, `is_plugin`, etc.) have been merged into the `type`
column.
- Breaking change: the `which` command can now report `plugin` or
`keyword` instead of `built-in` in the `type` column. It may also now
report `external` instead of `custom` in the `type` column for known
`extern`s.
# Description
This PR makes some commands and areas of code preserve pipeline
metadata. This is in an attempt to make the issue described in #12599
and #9456 less likely to occur. That is, reading and writing to the same
file in a pipeline will result in an empty file. Since we preserve
metadata in more places now, there will be a higher chance that we
successfully detect this error case and abort the pipeline.
# Description
This changes the `collect` command so that it doesn't require a closure.
Still allowed, optionally.
Before:
```nushell
open foo.json | insert foo bar | collect { save -f foo.json }
```
After:
```nushell
open foo.json | insert foo bar | collect | save -f foo.json
```
The closure argument isn't really necessary, as collect values are also
supported as `PipelineData`.
# User-Facing Changes
- `collect` command changed
# Tests + Formatting
Example changed to reflect.
# After Submitting
- [ ] release notes
- [ ] we may want to deprecate the closure arg?
# Description
We have been building `nu_plugin_polars` unnecessarily during `cargo
test`, which is very slow. All of its tests are run within its own
crate, which happens during the plugins CI phase.
This should speed up the CI a bit.
# Description
Forgot that I fixed this already on my branch, but when printing without
a display output hook, the implicit call to `table` gets its output
mangled with newlines (since #12774). This happens when running `nu -c`
or a script file.
Here's that fix in one PR so it can be merged easily.
# Tests + Formatting
- 🟢 `toolkit fmt`
- 🟢 `toolkit clippy`
- 🟢 `toolkit test`
- 🟢 `toolkit test stdlib`
# Description
Fixes: #12690
The issue is happened after
https://github.com/nushell/nushell/pull/12056 is merged. It will raise
error if user doesn't supply required parameter when run closure with
do.
And parser adds a `$it` parameter when parsing closure or block
expression.
I believe the previous behavior is because we allow such syntax on
previous version(0.44):
```nushell
let x = { print $it }
```
But it's no longer allowed after 0.60. So I think they can be removed.
# User-Facing Changes
```nushell
let tmp = {
let it = 42
print $it
}
do -c $tmp
```
should be possible again.
# Tests + Formatting
Added 1 test
# Description
Restores `bytes starts-with` so that it is able to work with byte
streams once again. For parity/consistency, this PR also adds byte
stream support to `bytes ends-with`.
# User-Facing Changes
- `bytes ends-with` now supports byte streams.
# Tests + Formatting
Re-enabled tests for `bytes starts-with` and added tests for `bytes
ends-with`.
# Description
This PR adds a few functions to `Span` for merging spans together:
- `Span::append`: merges two spans that are known to be in order.
- `Span::concat`: returns a span that encompasses all the spans in a
slice. The spans must be in order.
- `Span::merge`: merges two spans (no order necessary).
- `Span::merge_many`: merges an iterator of spans into a single span (no
order necessary).
These are meant to replace the free-standing `nu_protocol::span`
function.
The spans in a `LiteCommand` (the `parts`) should always be in order
based on the lite parser and lexer. So, the parser code sees the most
usage of `Span::append` and `Span::concat` where the order is known. In
other code areas, `Span::merge` and `Span::merge_many` are used since
the order between spans is often not known.
# Description
This PR introduces a `ByteStream` type which is a `Read`-able stream of
bytes. Internally, it has an enum over three different byte stream
sources:
```rust
pub enum ByteStreamSource {
Read(Box<dyn Read + Send + 'static>),
File(File),
Child(ChildProcess),
}
```
This is in comparison to the current `RawStream` type, which is an
`Iterator<Item = Vec<u8>>` and has to allocate for each read chunk.
Currently, `PipelineData::ExternalStream` serves a weird dual role where
it is either external command output or a wrapper around `RawStream`.
`ByteStream` makes this distinction more clear (via `ByteStreamSource`)
and replaces `PipelineData::ExternalStream` in this PR:
```rust
pub enum PipelineData {
Empty,
Value(Value, Option<PipelineMetadata>),
ListStream(ListStream, Option<PipelineMetadata>),
ByteStream(ByteStream, Option<PipelineMetadata>),
}
```
The PR is relatively large, but a decent amount of it is just repetitive
changes.
This PR fixes#7017, fixes#10763, and fixes#12369.
This PR also improves performance when piping external commands. Nushell
should, in most cases, have competitive pipeline throughput compared to,
e.g., bash.
| Command | Before (MB/s) | After (MB/s) | Bash (MB/s) |
| -------------------------------------------------- | -------------:|
------------:| -----------:|
| `throughput \| rg 'x'` | 3059 | 3744 | 3739 |
| `throughput \| nu --testbin relay o> /dev/null` | 3508 | 8087 | 8136 |
# User-Facing Changes
- This is a breaking change for the plugin communication protocol,
because the `ExternalStreamInfo` was replaced with `ByteStreamInfo`.
Plugins now only have to deal with a single input stream, as opposed to
the previous three streams: stdout, stderr, and exit code.
- The output of `describe` has been changed for external/byte streams.
- Temporary breaking change: `bytes starts-with` no longer works with
byte streams. This is to keep the PR smaller, and `bytes ends-with`
already does not work on byte streams.
- If a process core dumped, then instead of having a `Value::Error` in
the `exit_code` column of the output returned from `complete`, it now is
a `Value::Int` with the negation of the signal number.
# After Submitting
- Update docs and book as necessary
- Release notes (e.g., plugin protocol changes)
- Adapt/convert commands to work with byte streams (high priority is
`str length`, `bytes starts-with`, and maybe `bytes ends-with`).
- Refactor the `tee` code, Devyn has already done some work on this.
---------
Co-authored-by: Devyn Cairns <devyn.cairns@gmail.com>
# Description
Fixes: #12691
In `parse_short_flag`, it only checks special cases for
`SyntaxShape::Int`, `SyntaxShape::Number` to allow a flag to be a
number. This pr adds `SyntaxShape::Float` to allow a flag to be float
number.
# User-Facing Changes
This is possible after this pr:
```nushell
def spam [val: float] { $val };
spam -1.4
```
# Tests + Formatting
Added 1 test
# Description
In order for `Stack::unwrap_unique` to work as intended, we currently
manually track all references to the parent stack and ensure that they
are cleared before calling `Stack::unwrap_unique` in the REPL. We also
only call `Stack::unwrap_unique` after all code from the current REPL
entry has finished executing. Since `Value`s cannot store `Stack`
references, then this should have worked in theory. However, we forgot
to account for threads. `run-external` (and maybe the plugin writers)
can spawn threads that clone the `Stack`, holding on to references of
the parent stack. These threads are not waited/joined upon, and so may
finish after the eval has already returned. This PR removes the
`Stack::unwrap_unique` function and associated debug assert that was
[causing
panics](https://gist.github.com/cablehead/f3d2608a1629e607c2d75290829354f7)
like @cablehead found.
# After Submitting
Make values cheaper to clone as a more robust solution to the
performance issues with cloning the stack.
---------
Co-authored-by: Wind <WindSoilder@outlook.com>
Fix for #12730
All of the code expected a list of floats, but the syntax shape expected
a table. Resolved by changing the syntax shape to list of floats.
cc: @maxim-uvarov
# Description
Following from #12867, this PR replaces usages of `Call::positional_nth`
with existing spans. This removes several `expect`s from the code.
Also remove unused `positional_nth_mut` and `positional_iter_mut`
