nushell/crates/nu-cli/src/commands/str_/command.rs
2020-06-14 04:30:24 +12:00

50 lines
1.1 KiB
Rust

use crate::commands::WholeStreamCommand;
use crate::prelude::*;
use nu_errors::ShellError;
use nu_protocol::{ReturnSuccess, Signature, SyntaxShape, UntaggedValue};
pub struct Command;
#[async_trait]
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."
}
async fn run(
&self,
_args: CommandArgs,
registry: &CommandRegistry,
) -> Result<OutputStream, ShellError> {
let registry = registry.clone();
Ok(OutputStream::one(ReturnSuccess::value(
UntaggedValue::string(crate::commands::help::get_help(&Command, &registry))
.into_value(Tag::unknown()),
)))
}
}
#[cfg(test)]
mod tests {
use super::Command;
#[test]
fn examples_work_as_expected() {
use crate::examples::test as test_examples;
test_examples(Command {})
}
}