Method join_next_line_into

repl/src/editor.rs:135–139

Appends the line at `line + 1` to the line at `line`.

(&mut self, line: usize)

impl Editor {
    /// Appends the line at `line + 1` to the line at `line`.
    fn join_next_line_into(&mut self, line: usize) {
        let next = self.content.remove(line + 1);
        self.content[line].push_str(&next);
        self.dirty = true;
    }

    /// Rewrites the status line at the bottom of the `console`, using the previously queried
    /// `console_size`.