text-editor

console text editor written in fsharp

walk-through

Program.fs

imperative shell; maintains a mutable editor and renders it appropriately with every keystroke

Editor.fs

where the fun is: defines an Editor type and exposes functions on it (up, down, insertChar, removeChar etc)

EditorPieceTable.fs

a failed attempt to use a piece table data structure to store the text instead of a string array