Reorganized variable code

src/entry/unix/unix.rs

@@ -28,7 +28,7 @@ fn do_expression(
 ) -> Result<parser::Token, ()> {
 	#[cfg(debug_assertions)]
 	RawTerminal::suspend_raw_mode(&stdout).unwrap();
-	let g = parser::parse(&s);
+	let g = parser::parse(&s, context);
 	#[cfg(debug_assertions)]
 	RawTerminal::activate_raw_mode(&stdout).unwrap();
 
@@ -118,16 +118,6 @@ fn do_expression(
 					style::Reset,
 					color::Fg(color::Reset),
 				).unwrap();
-			},
-
-			Err(EvalError::NoHistory) => {
-				write!(
-					stdout, "\n  {}{}Evaluation Error: {}There is no previous answer to reference{}\r\n\n",
-					style::Bold,
-					color::Fg(color::Red),
-					style::Reset,
-					color::Fg(color::Reset),
-				).unwrap();
 			}
 		}
 	}