Tracery.Command

Commands are used to be able to pause the execution of a Grammar.

By modifying the commands in a grammar you can directly change how the program should run.

= Print Expression

| Define (Dict String Definition)

| Delete (List String)

| Save

{ asConstant : String

, replaceWith : List Command

}

Defines commands that the algorithm recognizes

Print - print the expression to the output
Define - Add a set of definitions
Delete - Delete a set of definitions
Save - saves the current value of the output as a constant and replaces it with a different value.

simplifies the commands.

toString : (String -> String) -> List Command -> String

Turns the list of commands into a readable string

(String -> Generator (List Command))

-> List Command

-> Generator (List Command)

replaces all variables

Convert expressions to commands

variables : List Command -> List String

Returns all variables.

Orasund/elm-tracery/4.0.1