fix linting issues and ignore derive docs for tests

TODO.md

@@ -33,8 +33,10 @@
 - [x] support for images is implemented but do we really want that in the core?
   it's quite heavy
 - [x] shrink entry names that are too long (from the middle)
+- [ ] more syntaxes for the previewer https://www.sublimetext.com/docs/syntax.html#include-syntax
+- [ ] more preview colorschemes
 
-## feature ideas
+## features
 
 - [x] environment variables
 - [x] aliases

crates/television/channels/text.rs

@@ -110,11 +110,7 @@ impl Channel {
         );
         let injector = matcher.injector();
         let load_handle = tokio::spawn(async move {
-            let mut lines_in_mem = 0;
-            for entry in entries {
-                if lines_in_mem > MAX_LINES_IN_MEM {
-                    break;
-                }
+            for entry in entries.into_iter().take(MAX_LINES_IN_MEM) {
                 injector.push(
                     CandidateLine::new(
                         entry.display_name().into(),
@@ -125,7 +121,6 @@ impl Channel {
                         cols[0] = c.line.clone().into();
                     },
                 );
-                lines_in_mem += 1;
             }
         });
 

crates/television/television.rs

@@ -333,14 +333,11 @@ impl Television {
                     }
                 }
             }
-            Action::CopyEntryToClipboard => match self.mode {
-                Mode::Channel => {
+            Action::CopyEntryToClipboard => if self.mode == Mode::Channel {
                 if let Some(entry) = self.get_selected_entry(None) {
                     let mut ctx = ClipboardContext::new().unwrap();
                     ctx.set_contents(entry.name).unwrap();
                 }
-                }
-                _ => {}
             },
             Action::ToggleSendToChannel => match self.mode {
                 Mode::Channel | Mode::RemoteControl => {

crates/television/ui/layout.rs

@@ -30,6 +30,7 @@ pub struct Layout {
 }
 
 impl Layout {
+    #[allow(clippy::too_many_arguments)]
     pub fn new(
         help_bar_left: Rect,
         help_bar_middle: Rect,

crates/television/ui/preview.rs

@@ -98,7 +98,7 @@ impl Television {
         let preview_block = self.build_preview_paragraph(
             preview_inner_block,
             inner,
-            &preview,
+            preview,
             selected_entry
                 .line_number
                 .map(|l| u16::try_from(l).unwrap_or(0)),

crates/television_derive/src/lib.rs

@@ -4,7 +4,7 @@ use quote::quote;
 /// This macro generates a `CliChannel` enum and the necessary glue code
 /// to convert into a `TelevisionChannel` member:
 ///
-/// ```rust
+/// ```ignore
 /// use crate::channels::{TelevisionChannel, OnAir};
 /// use television_derive::ToCliChannel;
 /// use crate::channels::{files, text};
@@ -122,7 +122,7 @@ fn impl_cli_channel(ast: &syn::DeriveInput) -> TokenStream {
 /// and forwards the method calls to the corresponding channel variants.
 ///
 /// Example:
-/// ```rust
+/// ```ignore
 /// use television_derive::Broadcast;
 /// use crate::channels::{TelevisionChannel, OnAir};
 /// use crate::channels::{files, text};