Fix clippy warnings and fix CI to fail when have warnings. (#301)

.github/workflows/ci.yml

@@ -29,6 +29,6 @@ jobs:
             target/
           key: ubuntu-test-cargo-${{ hashFiles('**/Cargo.lock') }}
       - name: Lint
-        run: cargo clippy
+        run: cargo clippy -- --deny warnings
       - name: Build test
         run: cargo build

crates/story/src/table_story.rs

@@ -2,9 +2,8 @@ use std::time::{self, Duration};
 
 use fake::{Fake, Faker};
 use gpui::{
-    div, impl_actions, AnyElement, ClickEvent, InteractiveElement, IntoElement, ParentElement,
-    Pixels, Render, SharedString, Styled, Timer, View, ViewContext, VisualContext as _,
-    WindowContext,
+    div, impl_actions, AnyElement, InteractiveElement, IntoElement, ParentElement, Pixels, Render,
+    SharedString, Styled, Timer, View, ViewContext, VisualContext as _, WindowContext,
 };
 use serde::Deserialize;
 use ui::{
@@ -17,7 +16,7 @@ use ui::{
     popup_menu::PopupMenuExt,
     prelude::FluentBuilder as _,
     table::{ColFixed, ColSort, Table, TableDelegate, TableEvent},
-    v_flex, Selectable, Sizable, Size,
+    v_flex, Selectable, Size,
 };
 
 #[derive(Clone, PartialEq, Eq, Deserialize)]
@@ -662,7 +661,7 @@ impl Render for TableStory {
                             .compact()
                             .outline()
                             .label(format!("size: {:?}", self.size))
-                            .popup_menu(move |menu, cx| {
+                            .popup_menu(move |menu, _| {
                                 menu.menu_with_check(
                                     "Large",
                                     size == Size::Large,

crates/ui/src/dock/mod.rs

@@ -265,17 +265,17 @@ impl DockArea {
             DockPlacement::Left => self
                 .left_dock
                 .as_ref()
-                .and_then(|dock| Some(dock.read(cx).is_open()))
+                .map(|dock| dock.read(cx).is_open())
                 .unwrap_or(false),
             DockPlacement::Bottom => self
                 .bottom_dock
                 .as_ref()
-                .and_then(|dock| Some(dock.read(cx).is_open()))
+                .map(|dock| dock.read(cx).is_open())
                 .unwrap_or(false),
             DockPlacement::Right => self
                 .right_dock
                 .as_ref()
-                .and_then(|dock| Some(dock.read(cx).is_open()))
+                .map(|dock| dock.read(cx).is_open())
                 .unwrap_or(false),
         }
     }

crates/ui/src/table.rs

@@ -334,7 +334,7 @@ where
     fn set_selected_col(&mut self, col_ix: usize, cx: &mut ViewContext<Self>) {
         self.selection_state = SelectionState::Column;
         self.selected_col = Some(col_ix);
-        if let Some(col_ix) = self.selected_col {
+        if let Some(_col_ix) = self.selected_col {
             // TODO: Fix scroll to selected col, this was not working after fixed col.
             // if self.col_groups[col_ix].fixed.is_none() {
             //     self.horizontal_scroll_handle.scroll_to_item(col_ix);