diff --git a/crates/nu-command/src/filters/uniq.rs b/crates/nu-command/src/filters/uniq.rs index a165748ef2..7c519032cc 100644 --- a/crates/nu-command/src/filters/uniq.rs +++ b/crates/nu-command/src/filters/uniq.rs @@ -2,9 +2,7 @@ use std::collections::VecDeque; use nu_protocol::ast::Call; use nu_protocol::engine::{Command, EngineState, Stack}; -use nu_protocol::{ - Category, Example, IntoPipelineData, PipelineData, ShellError, Signature, Span, Value, -}; +use nu_protocol::{Category, Example, IntoPipelineData, PipelineData, Signature, Span, Value}; #[derive(Clone)] pub struct Uniq; @@ -62,12 +60,18 @@ impl Command for Uniq { Example { description: "Only print duplicate lines, one for each group", example: "[1 2 2] | uniq -d", - result: Some(Value::test_int(2)), + result: Some(Value::List { + vals: vec![Value::test_int(2)], + span: Span::test_data(), + }), }, Example { description: "Only print unique lines lines", example: "[1 2 2] | uniq -u", - result: Some(Value::test_int(1)), + result: Some(Value::List { + vals: vec![Value::test_int(1)], + span: Span::test_data(), + }), }, Example { description: "Ignore differences in case when comparing", @@ -182,21 +186,12 @@ fn uniq( } } - // keeps the original Nushell semantics - if values_vec_deque.len() == 1 { - if let Some(x) = values_vec_deque.pop_front() { - Ok(x.into_pipeline_data().set_metadata(metadata)) - } else { - Err(ShellError::NushellFailed("No input given...".to_string())) - } - } else { - Ok(Value::List { - vals: values_vec_deque.into_iter().collect(), - span: head, - } - .into_pipeline_data() - .set_metadata(metadata)) + Ok(Value::List { + vals: values_vec_deque.into_iter().collect(), + span: head, } + .into_pipeline_data() + .set_metadata(metadata)) } #[cfg(test)]