examples: run clippy and fix issues

examples/256_colors.rs

@@ -70,5 +70,5 @@ fn main() {
 fn glow(c: u8, light_bg: bool) {
     let base = if light_bg { Color::Black } else { Color::White };
     let style = base.on(Color::Fixed(c));
-    print!("{}", style.paint(&format!(" {:3} ", c)));
+    print!("{}", style.paint(&format!(" {c:3} ")));
 }

examples/basic_colors.rs

@@ -1,4 +1,7 @@
-use nu_ansi_term::{Color::*, Style};
+use nu_ansi_term::{
+    Color::{Black, Blue, Cyan, Green, Purple, Red, White, Yellow},
+    Style,
+};
 
 // This example prints out the 16 basic colors.
 

examples/gradient_colors.rs

@@ -25,13 +25,13 @@ fn main() {
     let gradient3 = gradient.reverse();
 
     let build_fg = gradient.build(text, TargetGround::Foreground);
-    println!("{}", build_fg);
+    println!("{build_fg}");
     let build_bg = gradient.build(text, TargetGround::Background);
-    println!("{}", build_bg);
+    println!("{build_bg}");
     let bgt = build_all_gradient_text(text, gradient, gradient2);
-    println!("{}", bgt);
+    println!("{bgt}");
     let bgt2 = build_all_gradient_text(text, gradient, gradient3);
-    println!("{}", bgt2);
+    println!("{bgt2}");
 
     println!(
         "{}",

examples/hyperlink.rs

@@ -12,6 +12,6 @@ fn main() {
         .paint("Link to example.com")
         .hyperlink("https://example.com");
 
-    println!("{}", link);
+    println!("{link}");
     sleep(sleep_ms);
 }

examples/may_sleep/mod.rs

@@ -15,9 +15,9 @@ pub fn parse_cmd_args() -> Option<u16> {
                     .unwrap_or(String::from("5000u16"))
                     .parse::<u16>()
                     .ok()
-                    .and_then(|parsed| {
+                    .map(|parsed| {
                         skip_next = true;
-                        Some(parsed)
+                        parsed
                     });
             }
             _ => {}
@@ -29,7 +29,7 @@ pub fn parse_cmd_args() -> Option<u16> {
 
 pub fn sleep(sleep_ms: Option<u16>) {
     if let Some(sleep_ms) = sleep_ms {
-        let sleep_ms = std::time::Duration::from_millis(sleep_ms as u64);
+        let sleep_ms = std::time::Duration::from_millis(u64::from(sleep_ms));
         std::thread::sleep(sleep_ms);
     }
 }

examples/title.rs

@@ -8,10 +8,7 @@ fn main() {
 
     let sleep_ms = parse_cmd_args();
     let title = AnsiGenericString::title("My Title");
-    println!(
-        "{}Terminal title set for the next {:?} milliseconds",
-        title, sleep_ms
-    );
+    println!("{title}Terminal title set for the next {sleep_ms:?} milliseconds");
 
     // sleep because often prompts change this before you can see
     // the results