Add simple hexyl-as-a-library example, see #81

examples/simple.rs

@@ -0,0 +1,20 @@
+use std::io;
+
+use hexyl::{BorderStyle, Printer};
+
+fn main() {
+    let input = vec![
+        0x89, 0x50, 0x4e, 0x47, 0x0d, 0x0a, 0x1a, 0x0a, 0x00, 0x00, 0x00, 0x0d, 0x49, 0x48, 0x44,
+        0x52, 0x00, 0x00, 0x00, 0x80, 0x00, 0x00, 0x00, 0x44, 0x08, 0x02, 0x00, 0x00, 0x00,
+    ];
+
+    let stdout = io::stdout();
+    let mut handle = stdout.lock();
+
+    let show_color = true;
+    let use_squeezing = false;
+    let border_style = BorderStyle::Unicode;
+
+    let mut printer = Printer::new(&mut handle, show_color, border_style, use_squeezing);
+    printer.print_all(&input[..], None).unwrap();
+}