Jadpo is experimental and not ready for production. These docs follow the compiler's main branch as of 5 Nov 2026. What's built · Install 0.3.0

ReferenceErrors

Errors Logic · rule

`failure.outcome_success_value_required`

Success arm passes on a failure.

Area 3, Logic; not declinable; the next step is usually the agent's.

example

function invalid_success(key: LookupKey) -> LookupResult {    return match lookup(key) {        success(value) -> propagate        LookupMissing -> "missing"        LookupRefused -> "refused"    }}

jadpo checkcheck failed: 1 error, 2 files

error The success arm has no failure to pass on

--> main.jadpo:3:9

  |3 |         success(value) -> propagate  |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^ `propagate` on success

reason: propagate passes a failure arm's failure on to the caller; the success arm has a value, which it gives, or a failure it rejects.
next: Give the success value, or reject a failure (agent)
rule: failure.outcome_success_value_required
help: https://jadpo.dev/docs/errors/failure.outcome_success_value_required

Markdown for agents: /docs/errors/failure.outcome_success_value_required.md.Built from Jadpo main at aee2e8f.