Jadpo is experimental and not ready for production. These docs follow the compiler's main branch as of 30 Oct 2026. What's built · Install 0.1.0
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Reference: Values and types

Values and types · rule

type.optional_outside_input

Optional or default field outside an Input.

Area 2, Values and types; not declinable; the next step is usually the agent's.

example
type Nickname = Text {    max_length: 30}type Profile = Object {    nickname: Nickname {        optional: true    }}
text
error: `Profile` isn't an `Input`, so its fields are always given --> main.jadpo:7:9  |7 |         optional: true  |         ^^^^^^^^ only for an `Input`  reason: Only a request arriving from outside may leave fields out or have them filled by default; an object built inside the application states every field, using `none` for a field declared `T?`.  next: Remove the setting, or make the field's type `T?` if it may be absent (agent)  rule: type.optional_outside_input  help: https://jadpo.dev/docs/errors/type.optional_outside_inputcheck failed: 1 error, 1 file

Markdown for agents: /docs/errors/type.optional_outside_input.md.Built from Jadpo main at a707efb.