Module fetch 

One tick: read every target’s metrics and judge its rules.

Each source is read once per target per tick, however many rules use it. A failed read makes that source’s cells Error with the exact error text; other sources and other targets go on.

Structs

TargetReading

One target’s results.

Tick

One tick’s results.

Constants

PRESET_ERROR_LABEL

The cell a preset shows when its summary could not be read.

Functions

read_target

Reads and judges one target.

tick

Reads and judges every target of ready, in order.