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# Description
Add custom command attributes.
- Attributes are placed before a command definition and start with a `@`
character.
- Attribute invocations consist of const command call. The command's
name must start with "attr ", but this prefix is not used in the
invocation.
- A command named `attr example` is invoked as an attribute as
`@example`
- Several built-in attribute commands are provided as part of this PR
- `attr example`: Attaches an example to the commands help text
```nushell
# Double numbers
@example "double an int" { 5 | double } --result 10
@example "double a float" { 0.5 | double } --result 1.0
def double []: [number -> number] {
$in * 2
}
```
- `attr search-terms`: Adds search terms to a command
- ~`attr env`: Equivalent to using `def --env`~
- ~`attr wrapped`: Equivalent to using `def --wrapped`~ shelved for
later discussion
- several testing related attributes in `std/testing`
- If an attribute has no internal/special purpose, it's stored as
command metadata that can be obtained with `scope commands`.
- This allows having attributes like `@test` which can be used by test
runners.
- Used the `@example` attribute for `std` examples.
- Updated the std tests and test runner to use `@test` attributes
- Added completions for attributes
# User-Facing Changes
Users can add examples to their own command definitions, and add other
arbitrary attributes.
# Tests + Formatting
- 🟢 toolkit fmt
- 🟢 toolkit clippy
- 🟢 toolkit test
- 🟢 toolkit test stdlib
# After Submitting
- Add documentation about the attribute syntax and built-in attributes
- `help attributes`
---------
Co-authored-by: 132ikl <132@ikl.sh>
29 lines
1009 B
Rust
29 lines
1009 B
Rust
mod attribute_completions;
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mod base;
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mod cell_path_completions;
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mod command_completions;
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mod completer;
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mod completion_common;
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mod completion_options;
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mod custom_completions;
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mod directory_completions;
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mod dotnu_completions;
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mod file_completions;
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mod flag_completions;
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mod operator_completions;
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mod variable_completions;
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pub use attribute_completions::{AttributableCompletion, AttributeCompletion};
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pub use base::{Completer, SemanticSuggestion, SuggestionKind};
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pub use cell_path_completions::CellPathCompletion;
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pub use command_completions::CommandCompletion;
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pub use completer::NuCompleter;
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pub use completion_options::{CompletionOptions, MatchAlgorithm};
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pub use custom_completions::CustomCompletion;
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pub use directory_completions::DirectoryCompletion;
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pub use dotnu_completions::DotNuCompletion;
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pub use file_completions::{file_path_completion, FileCompletion};
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pub use flag_completions::FlagCompletion;
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pub use operator_completions::OperatorCompletion;
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pub use variable_completions::VariableCompletion;
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