Emit 0x08 (the backspace character) to erase text.

thejpster · thejpster · commit f54461edadd2 · 2018-05-07T13:29:07.000+01:00
diff --git a/src/lib.rs b/src/lib.rs
@@ -146,9 +146,10 @@ where
                 writeln!(self.output, "Input not valid UTF8").unwrap();
                 Outcome::CommandProcessed
             }
-        } else if input == 0x7F {
+        } else if input == 0x08 {
+            // Handling backspace
             if self.used > 0 {
-                write!(self.output, "\u{007F} \u{007F}").unwrap();
+                write!(self.output, "\u{0008} \u{0008}").unwrap();
                 self.used -= 1;
             }
             Outcome::NeedMore

Original file line number	Diff line number	Diff line change
`@@ -146,9 +146,10 @@ where`
`146`	`146`	`writeln!(self.output, "Input not valid UTF8").unwrap();`
`147`	`147`	`Outcome::CommandProcessed`
`148`	`148`	`}`
`149`		`- } else if input == 0x7F {`
	`149`	`+ } else if input == 0x08 {`
	`150`	`+ // Handling backspace`
`150`	`151`	`if self.used > 0 {`
`151`		`- write!(self.output, "\u{007F} \u{007F}").unwrap();`
	`152`	`+ write!(self.output, "\u{0008} \u{0008}").unwrap();`
`152`	`153`	`self.used -= 1;`
`153`	`154`	`}`
`154`	`155`	`Outcome::NeedMore`