run cargo fmt

examples/epd2in13bc.rs

@@ -45,7 +45,7 @@ fn main() -> Result<(), std::io::Error> {
     // Configure Digital I/O Pin to be used as Chip Select for SPI
     let cs = Pin::new(26); // CE0, board J-24, GPIO 8 -> doesn work. use this from 2in19 example which works
     cs.export().expect("cs export");
-    while !cs.is_exported() { }
+    while !cs.is_exported() {}
     cs.set_direction(Direction::Out).expect("CS Direction");
     cs.set_value(1).expect("CS Value set to 1");
 
@@ -80,7 +80,8 @@ fn main() -> Result<(), std::io::Error> {
     display.set_rotation(DisplayRotation::Rotate270);
     draw_text(&mut display, "Rotation 270!", 5, 50);
 
-    epd2in13.update_and_display_frame(&mut spi, &display.buffer(), &mut delay)
+    epd2in13
+        .update_and_display_frame(&mut spi, &display.buffer(), &mut delay)
         .expect("display frame new graphics");
 
     println!("First frame done. Waiting 5s");