use nu_errors::ShellError; use nu_plugin::Plugin; use nu_protocol::{CallInfo, Signature, Value}; use crate::tree::TreeView; use crate::TreeViewer; impl Plugin for TreeViewer { fn config(&mut self) -> Result { Ok(Signature::build("tree").desc("View the contents of the pipeline as a tree.")) } fn sink(&mut self, _call_info: CallInfo, input: Vec) { if !input.is_empty() { for i in input.iter() { let view = TreeView::from_value(i); let _ = view.render_view(); } } } }