Module engine 

The engine as the settings screen and the repair strip see it, and the pattern that greys out everything which would reach into a container while there is no engine.

Structs

EngineState

The chosen engine and how it is doing.

Gate

Whether the actions that reach into a container may be used, and what to say when they may not.

Help

What to tell the person about an engine refusal QCode recognises: the plain sentence, and the one line that puts it right where there is one line that does.

Enums

Health

What the last engine check left behind.

Trouble

Why the engine cannot be used, in a shape a screen can keep.

Functions

help

The help for output, the words kind refused with, when they are a refusal QCode recognises; None leaves the engine’s own words to speak for themselves.

help_for

The help for a refusal already recognised, on platform.

name

The engine’s name, as people write it rather than as its binary is called.