nushell/crates/nu-command/src/commands/str_/command.rs
Jonathan Turner 073e5727c6
Switch to "engine-p" (#3270)
* WIP

* WIP

* first builds

* Tests pass
2021-04-06 11:19:43 -05:00

43 lines
1013 B
Rust

use crate::prelude::*;
use nu_engine::WholeStreamCommand;
use nu_errors::ShellError;
use nu_protocol::{ReturnSuccess, Signature, SyntaxShape, UntaggedValue};
pub struct Command;
impl WholeStreamCommand for Command {
fn name(&self) -> &str {
"str"
}
fn signature(&self) -> Signature {
Signature::build("str").rest(
SyntaxShape::ColumnPath,
"optionally convert by column paths",
)
}
fn usage(&self) -> &str {
"Apply string function."
}
fn run(&self, args: CommandArgs) -> Result<OutputStream, ShellError> {
Ok(OutputStream::one(ReturnSuccess::value(
UntaggedValue::string(get_full_help(&Command, &args.scope)).into_value(Tag::unknown()),
)))
}
}
#[cfg(test)]
mod tests {
use super::Command;
use super::ShellError;
#[test]
fn examples_work_as_expected() -> Result<(), ShellError> {
use crate::examples::test as test_examples;
test_examples(Command {})
}
}