nushell/src/commands/reject.rs
2019-05-15 17:21:46 -07:00

29 lines
769 B
Rust

use crate::errors::ShellError;
use crate::object::base::reject;
use crate::object::Value;
use crate::prelude::*;
use derive_new::new;
#[derive(new)]
pub struct Reject;
impl crate::Command for Reject {
fn run(&self, args: CommandArgs<'value>) -> Result<VecDeque<ReturnValue>, ShellError> {
if args.args.is_empty() {
return Err(ShellError::string("select requires a field"));
}
let fields: Result<Vec<String>, _> = args.args.iter().map(|a| a.as_string()).collect();
let fields = fields?;
let objects = args
.input
.iter()
.map(|item| Value::Object(reject(item, &fields)))
.map(|item| ReturnValue::Value(item))
.collect();
Ok(objects)
}
}