Fix interactive-demo (#783)

examples/interactive-demo/src/main.rs

@@ -94,7 +94,7 @@ pub fn read_char() -> std::io::Result<char> {
     }
 }
 
-pub fn buffer_size() -> io::Result<(u16> {
+pub fn buffer_size() -> io::Result<(u16, u16)> {
     terminal::size()
 }
 

examples/interactive-demo/src/test/attribute.rs

@@ -7,8 +7,10 @@ const ATTRIBUTES: [(style::Attribute, style::Attribute); 10] = [
     (style::Attribute::Bold, style::Attribute::NormalIntensity),
     (style::Attribute::Italic, style::Attribute::NoItalic),
     (style::Attribute::Underlined, style::Attribute::NoUnderline),
-   
-    (style::Attribute::DoubleUnderlined, style::Attribute::NoUnderline),
+    (
+        style::Attribute::DoubleUnderlined,
+        style::Attribute::NoUnderline,
+    ),
     (style::Attribute::Undercurled, style::Attribute::NoUnderline),
     (style::Attribute::Underdotted, style::Attribute::NoUnderline),
     (style::Attribute::Underdashed, style::Attribute::NoUnderline),

examples/interactive-demo/src/test/color.rs

@@ -1,6 +1,5 @@
 #![allow(clippy::cognitive_complexity)]
 
-use crate::Result;
 use crossterm::{cursor, queue, style, style::Color};
 use std::io::Write;
 

examples/interactive-demo/src/test/cursor.rs

@@ -2,7 +2,7 @@
 
 use std::io::Write;
 
-use crossterm::{cursor, execute, queue, style, Command, style::Stylize};
+use crossterm::{cursor, execute, queue, style, style::Stylize, Command};
 use std::thread;
 use std::time::Duration;
 
@@ -109,7 +109,6 @@ where
     )
 }
 
-
 fn test_move_cursor_to<W>(w: &mut W) -> std::io::Result<()>
 where
     W: Write,

examples/interactive-demo/src/test/event.rs

@@ -5,7 +5,7 @@ use crossterm::{
     event::{read, DisableMouseCapture, EnableMouseCapture, Event, KeyCode},
     execute,
 };
-use std::io;
+use std::io::{self, Write};
 
 fn test_event<W>(w: &mut W) -> io::Result<()>
 where