TokenUsage

The tokens one call to a model used: what it read, what it wrote, and how many of those it read its provider's cache served, where it says.

AI; not ordered; since Jadpo 0.1.0.

Make one

Build one from its fields, TokenUsage { input: ... output: ... }.

Its parts keep these rules; a value that breaks one fails with the rule's name:

• cached_within_input: cached <= input, where it is given

Fields

Text, JSON and storage

It has no single text form, so text.from and text.parse don't take it. JSON sends an object of its parts.

It is stored in 3 columns, each named for the field, _ and its suffix. This is {"input":1200,"output":350,"cached":800}:

Shown to people

text.format(value, locale:) shows it to people in their locale.

With locale: Locale.en_gb:

Operations

It has the contract's own operations: text.format, json.read, json.write and ==. It isn't ordered, so < and sorting don't take it. Every standard type meets one contract says how they work.