Documentation

Do nothing. This is different than Wait in that it does not take up a time step.

Wait for a number of time steps without doing anything.

Self-destruct.

Move forward one step.

Move backward one step.

Measure the size of the enclosed volume

Describe a path to the destination.

Push an entity forward one step.

Move forward multiple steps.

Turn in some direction.

Grab an item from the current location.

Harvest an item from the current location.

Scatter seeds of a plant

Ignite a combustible item

Try to place an item at the current location.

Obtain the relative location of another robot.

Give an item to another robot at the current location.

Equip a device on oneself.

Unequip an equipped device, returning to inventory.

Make an item.

Sense whether we have a certain item.

Sense whether we have a certain device equipped.

Sense how many of a certain item we have.

Drill through an entity.

Use an entity with another.

Construct a new robot.

Deconstruct an old robot.

Reprogram a robot that has executed it's command with a new command

Emit a message.

Listen for a message from other robots.

Emit a log message.

View a certain robot.

Set color and what characters are used for display.

Create an entity out of thin air. Only available in creative mode.

Tell a robot to halt.

Get current time

Get the current x, y coordinates

Get the current subworld and x, y coordinates

Get the list of x, y coordinates of the waypoints for a given name

Get the list of x, y coordinates of the southwest corner of all constructed structures of a given name

Get the width and height of a structure template

Answer whether a given entity has the given tag

Get the list of entity names that are labeled with a given tag

Locate the closest instance of a given entity within the rectangle specified by opposite corners, relative to the current location.

Count the number of a given entity within the rectangle specified by opposite corners, relative to the current location.

Count the number entities within the rectangle specified by opposite corners, relative to the current location.

Get the distance to the closest instance of the specified entity.

Get the direction to the closest instance of the specified entity.

Register a location to interrupt a wait upon changes

Register a (remote) location to interrupt a wait upon changes

Get the current heading.

See if we can move forward or not.

Scan a nearby cell

Upload knowledge to another robot

See if a specific entity is here.

Check whether the current cell is empty

Get a reference to oneself

Get the robot's parent

Get a reference to the base

Meet a nearby robot

Meet all nearby robots

Get the robot's display name

Set the robot's display name

Get a uniformly random integer.

Run a program loaded from a file.

If-expressions.

Left injection.

Right injection.

Case analysis on a sum type.

Pair eliminator.

Force a delayed evaluation.

Pure for the cmd monad.

Try/catch block

Undefined

User error

Logical negation.

Arithmetic negation.

Logical equality comparison

Logical inequality comparison

Logical lesser-then comparison

Logical greater-then comparison

Logical lesser-or-equal comparison

Logical greater-or-equal comparison

Logical or.

Logical and.

Arithmetic addition operator

Arithmetic subtraction operator

Arithmetic multiplication operator

Arithmetic division operator

Arithmetic exponentiation operator

Turn an arbitrary value into a string

Try to turn a string into a value

Print a string onto a printable surface

Erase a printable surface

Concatenate string values

Count number of characters.

Split string into two parts.

Get the character at an index.

Create a singleton text value with the given character code.

Application operator - helps to avoid parentheses: f $ g $ h x = f (g (h x))

Swap placed entity with one in inventory. Essentially atomic grab and place.

When executing atomic c, a robot will not be interrupted, that is, no other robots will execute any commands while the robot is executing c.

Like atomic, but with no restriction on program size.

Create key values.

Install a new keyboard input handler.

Teleport a robot to the given position.

Relocate a robot to the given cosmic position.

Run a command as if you were another robot.

Find an actor by name.

Find an actor by number.

Check if an entity is known.

Function with arity of which some are commands

Unary operator with fixity and associativity.

Binary operator with fixity and associativity.

Left associative binary operator (see InfixL)

Non-associative binary operator (see InfixN)

Right associative binary operator (see InfixR)

Prefix unary operator (see Prefix)

Suffix unary operator (see Suffix)