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62e34b69b3
nushell/crates/nu-command/tests/commands
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JT 62e34b69b3
New commands: break, continue, return, and loop (#7230) 
# Description

This adds `break`, `continue`, `return`, and `loop`.

* `break` - breaks out a loop
* `continue` - continues a loop at the next iteration
* `return` - early return from a function call
* `loop` - loop forever (until the loop hits a break)

Examples:
```
for i in 1..10 {
    if $i == 5 {
       continue
    } 
    print $i
}
```

```
for i in 1..10 {
    if $i == 5 {
        break
    } 
    print $i
}
```

```
def foo [x] {
    if true {
        return 2
    }
    $x
}
foo 100
```

```
loop { print "hello, forever" }
```

```
[1, 2, 3, 4, 5] | each {|x| 
    if $x > 3 { break }
    $x
}
```

# User-Facing Changes

Adds the above commands.

# Tests + Formatting

Don't forget to add tests that cover your changes.

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

- `cargo fmt --all -- --check` to check standard code formatting (`cargo
fmt --all` applies these changes)
- `cargo clippy --workspace -- -D warnings -D clippy::unwrap_used -A
clippy::needless_collect` to check that you're using the standard code
style
- `cargo test --workspace` to check that all tests pass

# After Submitting

If your PR had any user-facing changes, update [the
documentation](https://github.com/nushell/nushell.github.io) after the
PR is merged, if necessary. This will help us keep the docs up to date.
2022-11-25 09:39:16 +13:00
..
date Require input for date format (#7043) 2022-11-10 11:16:14 +13:00
hash_ Deprecate hash base64, extend decode and add encode commands (#5863) 2022-06-26 00:35:23 +03:00
math make ++ append lists (#6766) 2022-10-20 23:28:18 +13:00
move_ Fix mv error message issues (arrows, Windows paths) (#7197) 2022-11-23 16:55:13 +13:00
network Clippy fix for Rust 1.63 (#6299) 2022-08-11 11:54:54 -05:00
path add -n for path expand, so it doesn't follow symlink (#6255) 2022-08-10 08:43:56 -05:00
platform Return error when kill didn't terminate successfully (#6354) 2022-08-18 11:58:51 -05:00
query Feature cleanup (#7182) 2022-11-22 16:58:11 -08:00
random Another batch of command tests (#4496) 2022-02-16 07:38:02 -05:00
skip str collect => str join (#6531) 2022-09-11 11:48:27 +03:00
str_ Eval external command result immediately when using do command with -c (#6645) 2022-09-30 07:14:02 -05:00
take Return errors on unexpected inputs to take and first (#7123) 2022-11-13 15:15:27 -08:00
url new command url parse (#6854) and url subcommands tests (#7124) 2022-11-19 10:14:29 -08:00
alias.rs let alias list aliases (#6717) 2022-10-14 21:51:44 +02:00
all.rs Allow iteration blocks to have an optional extra index parameter (alternative to -n flags) (#6994) 2022-11-21 14:35:11 +01:00
any.rs Allow iteration blocks to have an optional extra index parameter (alternative to -n flags) (#6994) 2022-11-21 14:35:11 +01:00
append.rs Strip trailing whitespace in files (#4575) 2022-02-21 08:38:15 -05:00
break_.rs New commands: break, continue, return, and loop (#7230) 2022-11-25 09:39:16 +13:00
cal.rs Remove old nushell/merge engine-q 2022-02-07 14:54:06 -05:00
cd.rs fix: fixcd (#6799) 2022-11-05 07:38:39 +13:00
compact.rs Remove old nushell/merge engine-q 2022-02-07 14:54:06 -05:00
continue_.rs New commands: break, continue, return, and loop (#7230) 2022-11-25 09:39:16 +13:00
cp.rs Add decimals to int when using into string --decimals (#6085) 2022-08-12 21:13:50 -05:00
def.rs Move from source to source-env (#6277) 2022-09-01 08:32:56 +12:00
default.rs Remove old nushell/merge engine-q 2022-02-07 14:54:06 -05:00
do_.rs A set of fixes for stderr redirect (#7219) 2022-11-24 16:58:15 +13:00
drop.rs Rename all?, any? and empty? (#6464) 2022-09-05 16:41:06 +02:00
each.rs Remove erroneous test (#7179) 2022-11-21 17:04:36 +01:00
echo.rs Require block params (#4505) 2022-02-17 06:40:24 -05:00
empty.rs Fix $in in blocks given to any and all (#6951) 2022-11-01 11:36:54 -07:00
enter.rs Remove old nushell/merge engine-q 2022-02-07 14:54:06 -05:00
error_make.rs add unspanned flag to error make, add tests (#6017) 2022-07-12 06:03:50 -05:00
every.rs Another batch of command tests (#4496) 2022-02-16 07:38:02 -05:00
export_def.rs allow -h flags for export subcommands (#6189) 2022-08-02 10:26:16 -05:00
find.rs Use 'table' on scripts and -c commands (#4377) 2022-02-09 05:58:54 -05:00
first.rs Error on negative argument of first (#7186) 2022-11-23 17:04:28 +13:00
flatten.rs str collect => str join (#6531) 2022-09-11 11:48:27 +03:00
format.rs Refactor: introduce general operate commands to reduce duplicate code (#6879) 2022-10-29 16:29:46 -05:00
g.rs Make g - switch to the last used shell (#6249) 2022-08-06 10:11:03 -05:00
get.rs Friendly error message for access beyond end (#6944) 2022-10-29 19:47:50 +02:00
glob.rs Filter out empty glob patterns to "glob" command (#6707) 2022-10-15 18:00:38 +02:00
group_by.rs more test fixes (#4499) 2022-02-16 12:24:45 -06:00
headers.rs Type validation for headers command (#6918) (#7047) 2022-11-09 16:43:24 -08:00
help.rs add signature information when get help on one command (#7079) 2022-11-20 07:22:42 -06:00
histogram.rs add quantile column (#5583) 2022-05-18 20:47:26 -05:00
insert.rs Allow iteration blocks to have an optional extra index parameter (alternative to -n flags) (#6994) 2022-11-21 14:35:11 +01:00
into_filesize.rs fix overflow on negative bytes (#7070) 2022-11-10 22:33:15 +01:00
into_int.rs Binary into int (#5941) 2022-07-04 06:31:50 +12:00
last.rs Error on negative argument to last (#7184) 2022-11-23 17:04:04 +13:00
length.rs Remove old nushell/merge engine-q 2022-02-07 14:54:06 -05:00
let_.rs Limited mutable variables (#7089) 2022-11-11 19:51:08 +13:00
lines.rs make first behave same way as last: always return list when with number argument (#6616) 2022-09-28 17:08:17 -05:00
ls.rs Run a round of clippy --fix to fix a ton of lints (#7006) 2022-11-04 15:11:17 -05:00
merge.rs remove block input support in merge (#7177) 2022-11-23 17:01:27 +13:00
mkdir.rs Remove old nushell/merge engine-q 2022-02-07 14:54:06 -05:00
mod.rs New commands: break, continue, return, and loop (#7230) 2022-11-25 09:39:16 +13:00
mut_.rs Add additional assignment operators (#7102) 2022-11-12 07:50:43 +13:00
n.rs Refactor shell switching related code (#6258) 2022-08-07 13:30:40 -05:00
nu_check.rs A set of fixes for stderr redirect (#7219) 2022-11-24 16:58:15 +13:00
open.rs Feature cleanup (#7182) 2022-11-22 16:58:11 -08:00
p.rs Refactor shell switching related code (#6258) 2022-08-07 13:30:40 -05:00
parse.rs replace the regex crate with the fancy-regex crate (#6227) 2022-08-04 14:51:02 -05:00
prepend.rs Use 'table' on scripts and -c commands (#4377) 2022-02-09 05:58:54 -05:00
print.rs add -e flag to print, to print the value to stderr (#5935) 2022-07-02 09:54:49 -05:00
range.rs Use 'table' on scripts and -c commands (#4377) 2022-02-09 05:58:54 -05:00
redirection.rs A set of fixes for stderr redirect (#7219) 2022-11-24 16:58:15 +13:00
reduce.rs Allow iteration blocks to have an optional extra index parameter (alternative to -n flags) (#6994) 2022-11-21 14:35:11 +01:00
reject.rs add signature information when get help on one command (#7079) 2022-11-20 07:22:42 -06:00
rename.rs add rename (#5534) 2022-05-13 06:47:11 -05:00
return_.rs New commands: break, continue, return, and loop (#7230) 2022-11-25 09:39:16 +13:00
reverse.rs make first behave same way as last: always return list when with number argument (#6616) 2022-09-28 17:08:17 -05:00
rm.rs make cd, cp, ls, mv, open and rm automatically strip ansi codes (#6220) 2022-08-04 06:59:20 -05:00
roll.rs str collect => str join (#6531) 2022-09-11 11:48:27 +03:00
rotate.rs str collect => str join (#6531) 2022-09-11 11:48:27 +03:00
run_external.rs add some float operations with filesize (#6618) 2022-09-28 17:07:50 -05:00
save.rs feat: Use Raw Text to save if pipeline data is ExternalStream (#7082) 2022-11-20 19:32:15 -06:00
select.rs Fix ignore-errors for select (#6896) 2022-11-10 10:57:44 +13:00
semicolon.rs Remove old nushell/merge engine-q 2022-02-07 14:54:06 -05:00
seq_char.rs Simplify seq char (#7054) 2022-11-09 17:06:47 -08:00
shells.rs Refactor shell listing related code (#6262) 2022-08-08 06:31:24 -05:00
sort_by.rs Require column name(s) in sort-by (#7041) 2022-11-10 11:16:51 +13:00
sort.rs Require column name(s) in sort-by (#7041) 2022-11-10 11:16:51 +13:00
source_env.rs Improve erroring of config nu and config env (#6730) 2022-10-15 08:28:54 -05:00
split_by.rs Remove old nushell/merge engine-q 2022-02-07 14:54:06 -05:00
split_column.rs refactor: change column names from 'Column*' to 'column*' (#4556) 2022-02-19 19:26:47 -05:00
split_row.rs Remove old nushell/merge engine-q 2022-02-07 14:54:06 -05:00
table.rs [WIP] table: Change Record view in expand-mode (#6885) 2022-11-16 08:03:56 -06:00
touch.rs remove -d and -t from touch (#6629) 2022-09-28 13:48:34 +13:00
transpose.rs Prevents duplicate fields in transpose -r (#5840) 2022-06-22 19:19:06 -05:00
try_.rs Make catch block a closure w/ access to error (#7228) 2022-11-25 07:02:20 +13:00
uniq.rs uniq -i does not convert to lowercase (#7192) (#7209) 2022-11-23 15:46:20 -08:00
update.rs Allow iteration blocks to have an optional extra index parameter (alternative to -n flags) (#6994) 2022-11-21 14:35:11 +01:00
upsert.rs Allow iteration blocks to have an optional extra index parameter (alternative to -n flags) (#6994) 2022-11-21 14:35:11 +01:00
use_.rs add more helpful error for calling a decl that exists in a module (#6752) 2022-10-22 11:41:31 -05:00
where_.rs Feature cleanup (#7182) 2022-11-22 16:58:11 -08:00
which.rs Don't assume external ls (#4925) 2022-03-24 16:42:41 +13:00
while_.rs Add support for while loops (#7101) 2022-11-12 07:21:45 +13:00
with_env.rs fixed some more tests (#4607) 2022-02-22 11:32:29 -05:00
wrap.rs Use 'table' on scripts and -c commands (#4377) 2022-02-09 05:58:54 -05:00
zip.rs str collect => str join (#6531) 2022-09-11 11:48:27 +03:00