other: update lints (#1369)

I have `missing_docs` disabled for now as that'll take a long time to
get through... maybe in a separate PR.

Cargo.toml

@@ -208,3 +208,18 @@ assets = [
     { source = "completion/_btm", dest = "/usr/share/zsh/vendor-completions/", mode = "644" },
     { source = "desktop/bottom.desktop", dest = "/usr/share/applications/bottom.desktop", mode = "644" },
 ]
+
+# Activate whenever we bump the unofficial MSRV to 1.74, I guess?
+# [lints.rust]
+# rust_2018_idioms = "deny"
+# missing_docs = "deny"
+# unused_extern_crates = "deny"
+
+# [lints.rustdoc]
+# broken_intra_doc_links = "deny"
+# missing_crate_level_docs = "deny"
+
+# [lints.clippy]
+# todo = "deny"
+# unimplemented = "deny"
+# missing_safety_doc = "deny"

src/app/filter.rs

@@ -1,7 +1,13 @@
+/// Filters used by widgets to filter out certain entries.
+/// TODO: Move this out maybe?
 #[derive(Debug, Clone)]
 pub struct Filter {
-    // TODO: Maybe change to "ignore_matches"?
-    pub is_list_ignored: bool,
+    /// Whether the filter _accepts_ all entries that match `list`,
+    /// or _denies_ any entries that match it.
+    pub is_list_ignored: bool, // TODO: Maybe change to "ignore_matches"?
+
+    /// The list of regexes to match against. Whether it goes through
+    /// the filter or not depends on `is_list_ignored`.
     pub list: Vec<regex::Regex>,
 }
 

src/lib.rs

@@ -6,6 +6,10 @@
 //! bottom, refer to [here](https://clementtsang.github.io/bottom/stable/).
 
 #![deny(rust_2018_idioms)]
+// #![deny(missing_docs)]
+#![deny(unused_extern_crates)]
+#![deny(rustdoc::broken_intra_doc_links)]
+#![deny(rustdoc::missing_crate_level_docs)]
 #![deny(clippy::todo)]
 #![deny(clippy::unimplemented)]
 #![deny(clippy::missing_safety_doc)]