use closure rather than run() function

1 files changed, 12 insertions, 12 deletions

diff --git a/src/main.rs b/src/main.rs
index 18fb6e7..85e3888 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,24 +1,24 @@
 use crossterm::event::{self, Event};
 use std::io;
-use tui::{backend::Backend, Terminal};
 
 use pfc::{ui, Calculator, Signal};
 
 fn main() -> io::Result<()> {
     let mut terminal = ui::init_terminal()?;
-    let result = run(Calculator::default(), &mut terminal);
-    ui::cleanup_terminal(terminal)?;
-    result
-}
+    let mut calculator = Calculator::default();
 
-fn run<B: Backend>(mut calculator: Calculator, terminal: &mut Terminal<B>) -> io::Result<()> {
-    loop {
-        terminal.draw(|f| calculator.draw(f))?;
+    let result = || -> io::Result<()> {
+        loop {
+            terminal.draw(|f| calculator.draw(f))?;
 
-        if let Event::Key(key) = event::read()? {
-            if let Signal::Exit = calculator.handle_input(key) {
-                return Ok(());
+            if let Event::Key(key) = event::read()? {
+                if let Signal::Exit = calculator.handle_input(key) {
+                    return Ok(());
+                }
             }
         }
-    }
+    }();
+
+    ui::cleanup_terminal(terminal)?;
+    result
 }