class TextEditor::Command::CursorUp
Public Instance Methods
run(*)
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# File lib/text_editor/command/cursor_up.rb 4 def run(*) 5 return if line.zero? 6 7 columns = buffer.line(line.pred).size 8 new_cursor = cursor.up.clamp(line.pred, columns) 9 window.update(buffer, new_cursor) 10 end