Commit Graph

10229 Commits

Author SHA1 Message Date
0c67d742f0 fix clippy (#10659)
This pr fix clippy warnings in latest clippy version(1.72.0):

Unfortunally it's not easy to handle for [try
fold](https://rust-lang.github.io/rust-clippy/master/index.html#/manual_try_fold)
warning in `start command`

Refer to known issue:
> This lint doesn’t take into account whether a function does something
on the failure case, i.e., whether short-circuiting will affect
behavior. Refactoring to try_fold is not desirable in those cases.

That's the case for our code, which does something on the failure case.

So this pr is making a little refactor on `try_commands`.
2023-10-10 03:31:15 +13:00
2ef34a3b4b Bump wax from 0.5.0 to 0.6.0 (#10574) 2023-10-09 12:31:50 +00:00
2d72f892fe Fix clippy in registry_query.rs (#10652)
The toolkit check passes locally; I'm not sure what the difference is
there.

cc @fdncred who merged the previous PR
2023-10-09 16:19:20 +08:00
ee4e0a933b Fix registry query flag validation (#10648) 2023-10-08 16:52:37 -05:00
765b303689 Add long options for formats (#10645) 2023-10-08 19:07:09 +02:00
e427c68731 Relax type-check of key-less table/record (#10629)
# Description
Relax typechecking of key-less `table`/`record`

Assume that they are acceptable for more narrowly specified
`table<...>`/`record<...>` where `...` specifies keys and potentially
types for those keys/columns.

This ensures that you can use commands that specify general return
values statically with more specific input-/args-type requirements.

Reduces the power of the type-check a bit but unlocks you to actually
use the specific annotations in more places.
Incompatibilities will only be raised if an output type declares
specific columns/keys.

Closes #9702

Supersedes #10594 as a simpler solution requiring no extra distinction.

h/t @1kinoti, @NotLebedev
# User-Facing Changes
Now legal at type-check time

```nu
def foo []: nothing -> table { [] }
def foo []: nothing -> table<> { ls }
def bar []: table<a:int,b:string> -> nothing {}

foo | bar 
```

# Tests + Formatting
- 1 explicit test with specified relaxed return type passed to concrete
expected input type
- 1 test leveraging the general output type of a built-in command
- 1 test wrapping a general built-in command and verifying the type
inference in the function body
2023-10-08 13:26:36 +02:00
ff6c0fcb81 Add long options for filters (#10641) 2023-10-08 13:12:46 +02:00
bcf3537395 fix labelled error from shell error (#10639)
# Description

Fixes a minor error in the impl From<ShellError> for LabeledError.

# User-Facing Changes

# Tests + Formatting

# After Submitting
2023-10-08 13:09:42 +02:00
4efccb2b1c Fix parsing of signature inp/out types in predecls (#10642)
# Description
Fixes https://github.com/nushell/nushell/issues/10605 (again).

The loop looking for `[` to determine signature position didn't stop
early enough, so it thought the second `[` denoting the inp/out types
marks the beginning of the signature.

# User-Facing Changes

# Tests + Formatting
adds a new `predecl_signature_multiple_inp_out_types` test

# After Submitting
2023-10-08 12:58:26 +02:00
67b5e1bde9 Fix wrong parsing of signatures in predecl scan (#10637) 2023-10-07 16:42:09 +03:00
eb4fd144eb nu-explore: Try to fix a truncation issue in expand view (#10580)
I haven't tested cause can't reproduce, but the issue very likely was
related to a emojies. (I mean I probably could but ....)

Could you try it @fdncred?
 
fix #10560
2023-10-07 06:58:26 -05:00
d51e82f33b bump rust-toolchain to 1.71.1 (#10634)
# Description

This PR bumps the rust toolchain to 1.71.1

# User-Facing Changes
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# Tests + Formatting
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2023-10-06 16:29:58 -05:00
7827b1fb87 ucp: Change error when directory is specified but not recursive (#10609)
# Description
Closes #10537. Basically error message was unhelpful, and this temporary
measure adds back the nice previous nushell error message. Ideally, we
would like to add a more permanent solution mentioned in the issue
[comments](https://github.com/nushell/nushell/issues/10537#issuecomment-1743686122),
but since we want to have `ucp` as `cp` on new release, this is hackier
but way simpler so this fix should do it.

Only downside is that now behavior differs from `uutils` in the sense
that:
```
uutils:
> cp a foo/ bar
ls bar
# foo/a

nushell:
>ucp a foo/ bar
# directory error (not copied) ....
```
So, since its non fatal error, uutils copies a, but nushell errors out
with nothing copied. If we go to option 3 mentioned above, then we can
decide what we want to do, and perhaps continue on a non fatal error.


# User-Facing Changes
<!-- List of all changes that impact the user experience here. This
helps us keep track of breaking changes. -->

# Tests + Formatting
Don't forget to add tests that cover your changes.

Make sure you've run and fixed any issues with these commands:

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(`cargo fmt --all` applies these changes)
- [X] `cargo clippy --workspace -- -D warnings -D clippy::unwrap_used`
to check that you're using the standard code style
- [X] `cargo test --workspace` to check that all tests pass (on Windows
make sure to [enable developer
mode](https://learn.microsoft.com/en-us/windows/apps/get-started/developer-mode-features-and-debugging))
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crates/nu-std"` to run the tests for the standard library

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# After Submitting

---------

Co-authored-by: amtoine <stevan.antoine@gmail.com>
2023-10-06 18:59:46 +02:00
7dbda76fad Add long options for core and dataframes (#10619) 2023-10-06 18:55:29 +02:00
0dbd014d8b Use long options for debug (#10621)
Also add short options for `profile`
2023-10-06 18:54:15 +02:00
d064d187ab fix: complete paths surrounded by quotes or backticks (#10600)
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Fixes #10586

# Description
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Any partial path that begins with or is surrounded by a quote or
backtick will be tab completed. The completed result would be surrounded
by backticks unconditionally.


![output](https://github.com/nushell/nushell/assets/107522312/13e01104-18a1-4483-b010-79985294748b)

# User-Facing Changes
<!-- List of all changes that impact the user experience here. This
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See above.

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Formatted and added test cases.

# After Submitting
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2023-10-07 05:45:30 +13:00
399319476a Move SyntaxShape specifier parsing into own file (#10448)
Pure move refactor.

Followup to:
- #10511
- #10512
- #10544 
- #10548 
- #10581
2023-10-05 23:31:40 +02:00
4f4e8c984e Parse custom completer annotation only in args (#10581)
# Description
To my knowledge `type@completer` annotations only make sense in
arguments at the moment.
Restrict the parsing.
Also fix a bug in parsing the completer annotation should there be more
than 1 `@`


- Add test that we disallow completer in type
- Guard against `@` inside command name
- Disallow custom completers in type specification


# User-Facing Changes
Error when annotating a variable or input-output type with a completer

# Tests + Formatting
Tests to verify the error message
2023-10-05 22:39:37 +02:00
129ae0bf3e Add long options for conversions (#10602)
As discussed in
https://github.com/nushell/nushell/pull/10597#issuecomment-1745692687

I've also removed one failing example for `into string`. It was simply
printed in the docs without context, and the expected result was
commented out.
2023-10-05 18:46:13 +02:00
471c58448e Add long options for bits and bytes (#10601)
As discussed in
https://github.com/nushell/nushell/pull/10597#issuecomment-1745692687
2023-10-05 18:45:28 +02:00
a03c1c266c Add url decode command (#10611)
Implemented URL decoding as a url subcommand, created corresponding unit
tests. The logic, examples and descriptions were based on the existing
`url encode` command.

Resolves #10563

# Description
Added a new `url decode` command to compliment the existing `url
encode`, as proposed by myself in #10563.
It takes a string, list of strings or cell path and produces the
corresponding decoded strings.

![image](https://github.com/nushell/nushell/assets/4030336/815a34e9-7ceb-4d09-9d74-e700ba513b17)

# User-Facing Changes
New url subcommand `url decode`, as described above.

# Tests + Formatting
I've added unit tests for the new subcommand and ensured all actions
outlined below showed no issues.
- [x] `cargo fmt --all -- --check`
- [x] `cargo clippy --workspace -- -D warnings -D clippy::unwrap_used`
- [x] `cargo test --workspace`
- [x] `cargo run -- -c "use std testing; testing run-tests --path
crates/nu-std"`
2023-10-05 18:43:58 +02:00
afdb68dc71 remove underline from std NU_LOG_FORMAT (#10604)
# Description

This PR removes the underline from the log format. It's been messing
things up for me since there is no ansi reset in the log format and
therefore everything after it is underlined.

This PR should end things like this.

![image](https://github.com/nushell/nushell/assets/343840/17e6dc87-11ba-4395-aac3-f70872b9182a)


# User-Facing Changes
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# Tests + Formatting
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2023-10-04 13:30:49 -05:00
bc1b2fa5bd Allow specifying a custom date format in std log (#10603)
# Description
Allows the user to specify a custom date format for std log to use.

# User-Facing Changes
Added customization.
2023-10-04 18:53:46 +02:00
JT
8c507dc984 Revert "Port command examples to long option" (#10597)
Reverts nushell/nushell#10596

Using the long option in examples is going to be confusing as it makes
the reader think the long option is required. It also isn't idiomatic
Nushell.

The examples should be copy-paste-able as idiomatic Nushell, so as such
we shouldn't expand them to the long flag name.
2023-10-04 09:41:13 +13:00
4a82ee6c11 Port command examples to long option (#10596)
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# Description

Long options are preferable over short ones for documentation.
This PR ports some command examples to exclusively use long options.
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# User-Facing Changes
 
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# Tests + Formatting

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2023-10-03 13:41:41 -05:00
e8da57b05e Correct line folding in from ics/from vcf (#10577)
# Description
Potential fix for #10398

datatracker.ietf.org/doc/html/rfc5545#section-3.1
datatracker.ietf.org/doc/html/rfc6350#section-3.2

---------

Co-authored-by: Joerg <joerg@schuetter.org>
2023-10-03 19:11:16 +02:00
f481879ed3 make "can't follow stream paths" error a bit better (#10569)
related to
- https://github.com/nushell/nushell/issues/9373
- https://github.com/nushell/nushell/issues/8639

might be able to close https://github.com/nushell/nushell/issues/8639? 

# Description
"can't follow stream paths" errors have always been a bit scary and
obnoxious because they give no information about what happens...

in this PR i try to slightly improve the error message by telling if the
stream was empty or not and give span information when available.

# User-Facing Changes
```nushell
> update value (get value)
Error: nu:🐚:incompatible_path_access

  × Data cannot be accessed with a cell path
   ╭─[entry #1:1:1]
 1 │ update value (get value)
   ·               ─┬─
   ·                ╰── empty pipeline doesn't support cell paths
   ╰────
```
```nushell
> ^echo "foo" | get 0
Error: nu:🐚:incompatible_path_access

  × Data cannot be accessed with a cell path
   ╭─[entry #2:1:1]
 1 │ ^echo "foo" | get 0
   ·  ──┬─
   ·    ╰── external stream doesn't support cell paths
   ╰────
```

# Tests + Formatting

# After Submitting
2023-10-03 18:57:26 +02:00
7c1487e18d Use int type name consistently (#10579)
# Description
When referring to the type use `int` consistently. Only when referring
to the concept of integer numbers use `integer`.

- Fix `random integer` to `random int` tests
  - Forgot in #10520
- Use int instead of integer in error messages
- Use int type name in bits commands
- Fix messages in `for` examples
- Use int typename in `into` commands
- Use int typename in rest of commands
- Report errors in `nu-protocol` with int typename

Work for #10332 

# User-Facing Changes
User errorrs should now use `int` so you can easily find the necessary
commands or type annotations.

# Tests + Formatting
Only two tests found that needed updating
2023-10-03 18:24:32 +02:00
2cc4191ec9 engine eval.rs remove pub from fn eval_element_with_input (#10587)
code cleanup of *eval.rs*

I was reviewing the engine code and noticed this...

The *eval_element_with_input* method in eval.rs does not need to be
public at the moment
because no one is calling it...

@jntrnr is making this method not public going to block someone in the
future who might need it ?

Right now its not being used so I decided to tighten up the API a bit...
2023-10-02 21:57:21 -07:00
JT
844cb1213b Remove cd w/ abbreviations (#10588)
# Description

This removes the old style "cd with abbreviations" that would attempt to
guess what directory you wanted to `cd` to. This would sometimes have
false positives, so we left it off by default in the config.

In the current main, we have much-improved path completions
(https://github.com/nushell/nushell/pull/10543) so you can now do `cd
a/b<tab>` and get a much better experience (because you can see the
directory you're about to cd to). This removes the need for the previous
abbreviation system.

# User-Facing Changes

This does remove the old abbreviation system. It will likely mean that
old config files that have settings for abbreviations will now get
errors.

update: here's an example of the error you'll see:


![image](https://github.com/nushell/nushell/assets/547158/6847a25d-895a-4b92-8251-278a57e8d29a)

# Tests + Formatting
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2023-10-03 10:51:46 +13:00
JT
783f2a9342 Allow auto-cd on trailing slash (#10585)
# Description

This allows auto-cd (cd'ing by just typing the directory name with `cd`)
to work if there's a trailing slash in the path.

# User-Facing Changes

This should be an improvement over previous behaviour. I don't think
this clashes with any existing assumptions.

# Tests + Formatting
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2023-10-03 08:14:02 +13:00
eb6870cab5 Add --env and --wrapped flags to def (#10566) 2023-10-02 21:13:31 +03:00
0d367af24a Add --env flag to do command (#10572) 2023-10-02 20:47:51 +03:00
5c15a4dd6e Fish-like completions for nested directories (#10543)
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# Description
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This PR allows tab completion for nested directories while only
specifying a part of the directory names. To illustrate this, if I type
`tar/de/inc` and hit tab, it autocompletes to
`./target/debug/incremental`.



# User-Facing Changes
<!-- List of all changes that impact the user experience here. This
helps us keep track of breaking changes. -->
Nested paths can be tab completed by typing lesser characters.

# Tests + Formatting
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crates/nu-std"` to run the tests for the standard library

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Tests cases are added.

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2023-10-03 06:44:51 +13:00
eeade99452 add a few more grid icons (#10583)
# Description

This PR adds a few more grid icons and updates some existing ones.

# User-Facing Changes
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- `cargo clippy --workspace -- -D warnings -D clippy::unwrap_used` to
check that you're using the standard code style
- `cargo test --workspace` to check that all tests pass (on Windows make
sure to [enable developer
mode](https://learn.microsoft.com/en-us/windows/apps/get-started/developer-mode-features-and-debugging))
- `cargo run -- -c "use std testing; testing run-tests --path
crates/nu-std"` to run the tests for the standard library

> **Note**
> from `nushell` you can also use the `toolkit` as follows
> ```bash
> use toolkit.nu # or use an `env_change` hook to activate it
automatically
> toolkit check pr
> ```
-->

# After Submitting
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2023-10-02 10:04:58 -05:00
679879f79b Add warning to url join when input key is not supported (#10506) (#10565)
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# Description
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Adds warning to `url join` when input key is not supported as suggested
by @amtoine in #10506.

It just adds a `println!` statement but it seems like that is all that
is done for other warnings, e.g.,
20aaaaf90c/crates/nu-glob/src/lib.rs (L434)

# Tests + Formatting
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All pass.
2023-10-02 06:47:02 -05:00
c4bbc3edad Bump crate-ci/typos from 1.16.13 to 1.16.15 (#10575) 2023-10-02 09:56:38 +00:00
6c6d215197 Bump ureq from 2.7.1 to 2.8.0 (#10573) 2023-10-02 09:55:58 +00:00
4b9ec03110 add to ndjson and to jsonl to the standard library (#10519)
follow up to
- #10283

# Description
even though it appears defining `to foo` does not allow to do `save
x.foo` for free (see https://github.com/nushell/nushell/issues/10429),
because #10283 did add `from ndjson` and `from jsonl` to the standard
library, i thought adding their `to ...` counterpart would make sense
😋

# User-Facing Changes
users can now convert structured data back to NDJSON and JSONL 👌

# Tests + Formatting
this PR adds the exact same tests as for the `from ...` commands
- structured data is in `result` and the string is now the expected
- the two invalid `from ...` tests cannot be reproduced for `to ...`
afaik

# After Submitting
2023-10-02 11:50:07 +02:00
b9ecfeb890 explore: remove unused colour config code (#10570)
Remove code for 2 no-longer-used configuration options in `explore`:
`explore.config.cursor_color` and `explore.config.border_color`.

Think I made these unnecessary in
https://github.com/nushell/nushell/pull/10533 and
https://github.com/nushell/nushell/pull/10270 but missed this code, my
bad. The `explore` config code is a little hard to follow because it
does so many key lookups in hashmaps.
2023-10-01 09:06:26 -07:00
4dbbacc35d improve assertion error messages in std assert (#10551)
should close #10549 

# Description
this PR is twofold
- uses `to nuon --raw` in the error messages to make sure #10549 is
solved and makes a difference between `"1"` and `1`
- tries to introduce slightly better errors, i.e. by putting left /
right on new lines => this should hopefully help when the values become
a bit big 😋

# User-Facing Changes
the original issue:
```nushell
> assert equal {one:1 two:2} {one:"1" two:"2"}
Error:   × Assertion failed.
   ╭─[entry #3:1:1]
 1 │ assert equal {one:1 two:2} {one:"1" two:"2"}
   ·              ───────────────┬───────────────
   ·                             ╰── These are not equal.
        Left  : '{one: 1, two: 2}'
        Right : '{one: "1", two: "2"}'
   ╰────
```

a sample for all the assertions and their new messages
```nushell
> assert equal {one:1 two:2} {one:"1" two:"2"}
Error:   × Assertion failed.
   ╭─[entry #3:1:1]
 1 │ assert equal {one:1 two:2} {one:"1" two:"2"}
   ·              ───────────────┬───────────────
   ·                             ╰── These are not equal.
        Left  : '{one: 1, two: 2}'
        Right : '{one: "1", two: "2"}'
   ╰────
```
```nushell
> assert equal 1 2
Error:   × Assertion failed.
   ╭─[entry #4:1:1]
 1 │ assert equal 1 2
   ·              ─┬─
   ·               ╰── These are not equal.
        Left  : '1'
        Right : '2'
   ╰────
```
```nushell
> assert less 3 1
Error:   × Assertion failed.
   ╭─[entry #6:1:1]
 1 │ assert less 3 1
   ·             ─┬─
   ·              ╰── The condition *left < right* is not satisfied.
        Left  : '3'
        Right : '1'
   ╰────
```
```nushell
> assert less or equal 3 1
Error:   × Assertion failed.
   ╭─[entry #7:1:1]
 1 │ assert less or equal 3 1
   ·                      ─┬─
   ·                       ╰── The condition *left <= right* is not satisfied.
        Left  : '3'
        Right : '1'
   ╰────
```
```nushell
> assert greater 1 3
Error:   × Assertion failed.
   ╭─[entry #8:1:1]
 1 │ assert greater 1 3
   ·                ─┬─
   ·                 ╰── The condition *left > right* is not satisfied.
        Left  : '1'
        Right : '3'
   ╰────
```
```nushell
> assert greater or equal 1 3
Error:   × Assertion failed.
   ╭─[entry #9:1:1]
 1 │ assert greater or equal 1 3
   ·                         ─┬─
   ·                          ╰── The condition *left < right* is not satisfied.
        Left  : '1'
        Right : '3'
   ╰────
```
```nushell
> assert length [1 2 3] 2
Error:   × Assertion failed.
   ╭─[entry #10:1:1]
 1 │ assert length [1 2 3] 2
   ·               ────┬────
   ·                   ╰── This does not have the correct length:
        value    : [1, 2, 3]
        length   : 3
        expected : 2
   ╰────
```
```nushell
> assert length [1 "2" 3] 2
Error:   × Assertion failed.
   ╭─[entry #11:1:1]
 1 │ assert length [1 "2" 3] 2
   ·               ─────┬─────
   ·                    ╰── This does not have the correct length:
        value    : [1, "2", 3]
        length   : 3
        expected : 2
   ╰────
```
```nushell
> assert str contains "foo" "bar"
Error:   × Assertion failed.
   ╭─[entry #13:1:1]
 1 │ assert str contains "foo" "bar"
   ·                     ─────┬─────
   ·                          ╰── This does not contain '($right)'.
        value: "foo"
   ╰────
```

# Tests + Formatting

# After Submitting
2023-10-01 16:40:24 +02:00
28ef14399c stdlib: Reduce test file parsing overhead (#10545)
# Description
Retrieving tests and their annotation no longer uses nu --ide-ast
spawned in a subprocess which should reduce test runner startup time.

# User-Facing Changes

# Tests + Formatting

# After Submitting
2023-10-01 15:37:51 +02:00
20aaaaf90c Update build flags for riscv64gc and armv7 targets (#10564)
Update build flags for riscv64gc and armv7 targets, as they are not
required any more, let's give it a try in nightly release
2023-10-01 09:32:34 +08:00
7c274ad4d8 explore: remove 4 line config options (#10562)
This PR removes the `line_head_top`, `line_head_bottom`, `line_shift`,
and `line_index` configuration options from `explore`. These were
previously used to control whether the horizontal+vertical lines in this
`ls | explore -i` screenshot would be displayed:


![image](https://github.com/nushell/nushell/assets/26268125/b705e8a0-935c-40ff-be4a-f119dbae3080)

Now, all lines are displayed (same as the previous default config
values) and this is no longer configurable.

## Context

I'm continuing to chip away at `explore` when I have time. I have a
long-term goal to make `explore` simpler for users+developers. For now
I'm mostly making small incremental changes where I find underused
functionality+configuration and remove it; hopefully eventually this
will make it easier to make larger changes.

I found these specific config options a little hard to understand when
reading `explore` code, and when reading `config.nu` as a user their
behaviour+naming is not obvious. I also think that in the long term,
`explore` styling should inherit most styling from `table` instead of
having its own styling system.
2023-09-30 17:26:43 -07:00
30c331e882 explore: remove Bottom and Right orientations (#10559)
The value rendering code in explore is _very_ flexible; values can be
rendered with orientation `Top`, `Left`, `Bottom`, or `Right`. The
default is `Top` for tables (header at the top) and `Left` for records
(header on the left).

This PR removes `Bottom` and `Right`; they are largely untested,
probably used by nobody, and they complicate the rendering code.

## Testing Performed

I've manually confirmed that tables and records still render the same
ass before, and the `t`/transpose command still works.
2023-09-30 15:10:59 -05:00
fa2e6e5d53 feat: Add unfold command (#10489)
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# Description
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> [!NOTE]
> This PR description originally used examples where the `generator`
closure returned a list. It has since been updated to use records
instead.

The `unfold` command allows users to dynamically generate streams of
data. The stream is generated by repeatedly invoking a `generator`
closure. The `generator` closure accepts a single argument and returns a
record containing two optional keys: 'out' and 'next'. Each invocation,
the 'out' value, if present, is added to the stream. If a 'next' key is
present, it is used as the next argument to the closure, otherwise
generation stops.

The name "unfold" is borrowed from other functional-programming
languages. Whereas `fold` (or `reduce`) takes a stream of values and
outputs a single value, `unfold` takes a single value and outputs a
stream of values.

### Examples

A common example of using `unfold` is to generate a fibbonacci sequence.
See
[here](6ffdac103c/src/sources.rs (L65))
for an example of this in rust's `itertools`.

```nushell
> unfold [0, 1] {|fib| {out: $fib.0, next: [$fib.1, ($fib.0 + $fib.1)]} } | first 10
───┬────
 0 │  0
 1 │  1
 2 │  1
 3 │  2
 4 │  3
 5 │  5
 6 │  8
 7 │ 13
 8 │ 21
 9 │ 34
───┴────
```

This command is particularly useful when consuming paginated APIs, like
Github's. Previously, nushell users might use a loop and buffer
responses into a list, before returning all responses at once. However,
this behavior is not desirable if the result result is very large. Using
`unfold` avoids buffering and allows subsequent pipeline stages to use
the data concurrently, as it's being fetched.

#### Before
```nushell
mut pages = []
for page in 1.. {
  let resp = http get (
    {
      scheme: https,
      host: "api.github.com",
      path: "/repos/nushell/nushell/issues",
      params: {
	page: $page,
	per_page: $PAGE_SIZE
      }
    } | url join)

  $pages = ($pages | append $resp)

  if ($resp | length) < $PAGE_SIZE {
    break
  }
}
$pages
```

#### After
```nu
unfold 1 {|page|
  let resp = http get (
    {
      scheme: https,
      host: "api.github.com",
      path: "/repos/nushell/nushell/issues",
      params: {
	page: $page,
	per_page: $PAGE_SIZE
      }
    } | url join)

  if ($resp | length) < $PAGE_SIZE {
    {out: $resp}
  } else {
    {out: $resp, next: ($page + 1)}
  }
}
```


# User-Facing Changes
<!-- List of all changes that impact the user experience here. This
helps us keep track of breaking changes. -->
- An `unfold` generator is added to the default context.

# Tests + Formatting
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Given the complexity of the `generator` closure's return value, it would
be good to document the semantics of `unfold` and provide some in-depth
examples showcasing what it can accomplish.
2023-09-30 09:08:06 -05:00
7eaa6d01ab Add 'help escapes' command for quick reference of nushell string escapes (#10522)
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resolves #4869 

# Description
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Adds a `help escape` command that can be used to display a table of
string escape sequences and their outputs.
```nu
help escapes
```
```nu
help escapes -h
```

The command should also appear in the list displayed when tab
autocompleting on `help`.

# User-Facing Changes
<!-- List of all changes that impact the user experience here. This
helps us keep track of breaking changes. -->
Users can now use a new `help escapes` command to output a table of
string escape sequences and their outputs.

# Tests + Formatting
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Need to update docs to reflect existence of the new `help escapes`
command.
2023-09-30 09:04:27 -05:00
d34581db4a Rename: change the SyntaxShape of -c flag from list to record (#10526)
# Description
Fixes: #7085 
Also closes: #7526 

# User-Facing Changes
After this change, we need to use `-c` flag like this:
```nushell
[[a, b, c]; [1, 2, 3]] | rename -c { a: ham }
```
But we can rename many columns easily, here is another example:
```nushell
[[a, b, c]; [1, 2, 3]] | rename -c { a: ham, b: ham2 }
```
2023-09-30 08:59:47 -05:00
85d6529f0d chore: Small refactor of eval.rs (#10554)
# Description
- Extract long expression in `eval.rs` into variable
- Improve loop in eval.rs

# User-Facing Changes

None
2023-09-29 21:57:15 +02:00
JT
50039164f1 fix windows default prompt slash direction (#10555)
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# Description

This fixes the default prompt on Windows to use the correct path
direction

# 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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crates/nu-std"` to run the tests for the standard library

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2023-09-30 08:18:14 +13:00