last is working also with the hard coded length, need to figure out how to get the length of the input

This commit is contained in:
Michael Angerman 2021-10-26 11:46:03 -07:00
parent 7e66aca18e
commit 3625324bad

View File

@ -2,8 +2,9 @@ use nu_engine::CallExt;
use nu_protocol::ast::Call; use nu_protocol::ast::Call;
use nu_protocol::engine::{Command, EngineState, Stack}; use nu_protocol::engine::{Command, EngineState, Stack};
use nu_protocol::{PipelineData, ShellError, Signature, SyntaxShape, Value}; use nu_protocol::{IntoPipelineData, PipelineData, ShellError, Signature, SyntaxShape, Value};
//use nu_protocol::{IntoPipelineData, PipelineData, ShellError, Signature, SyntaxShape, Value};
use std::convert::TryInto;
#[derive(Clone)] #[derive(Clone)]
pub struct Last; pub struct Last;
@ -34,6 +35,7 @@ impl Command for Last {
) -> Result<PipelineData, ShellError> { ) -> Result<PipelineData, ShellError> {
let rows: Option<i64> = call.opt(engine_state, stack, 0)?; let rows: Option<i64> = call.opt(engine_state, stack, 0)?;
/*
let vlength = length(input)?; let vlength = length(input)?;
dbg!(vlength); dbg!(vlength);
@ -50,23 +52,25 @@ impl Command for Last {
}; };
dbg!(beginning_rows_to_skip); dbg!(beginning_rows_to_skip);
*/
// let iter = v.into_iter().skip(beginning_rows_to_skip); let beginning_rows_to_skip = 2;
//dbg!(input.clone());
/*
match input { match input {
PipelineData::Stream(stream) => Ok(stream.into_pipeline_data()), PipelineData::Stream(stream) => Ok(stream
PipelineData::Value(Value::List { vals, .. }) => { .skip(beginning_rows_to_skip.try_into().unwrap())
Ok(vals.into_iter().into_pipeline_data()) .into_pipeline_data()),
} PipelineData::Value(Value::List { vals, .. }) => Ok(vals
.into_iter()
.skip(beginning_rows_to_skip.try_into().unwrap())
.into_pipeline_data()),
_ => { _ => {
dbg!("Fall to the bottom"); dbg!("Fall to the bottom");
Ok(PipelineData::Value(Value::Nothing { span: call.head })) Ok(PipelineData::Value(Value::Nothing { span: call.head }))
} }
} }
*/
Ok(PipelineData::Value(Value::Nothing { span: call.head })) // Ok(PipelineData::Value(Value::Nothing { span: call.head }))
} }
} }