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
jadpo
Reference: Logic

Logic · rule

syntax.match_arrow

Match arm uses =>.

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

example
type TicketStatus = Enum {    open    closed}type Rank = Int {    min: 1}function rank(status: TicketStatus) -> Rank {    return match status {        TicketStatus.open => 1        TicketStatus.closed -> 2    }}
text
error: Jadpo writes `->`, not `=>` --> main.jadpo:12:27   |12 |         TicketStatus.open => 1   |                           ^^ write `->`  reason: `=>` ends a match arm's pattern in Rust, Scala, C# and PHP; a Jadpo arm uses `->`, the same arrow as a result type.  next: Use `->` instead of `=>` (agent)  rule: syntax.match_arrow  help: https://jadpo.dev/docs/errors/syntax.match_arrowcheck failed: 1 error, 1 file

Markdown for agents: /docs/errors/syntax.match_arrow.md.Built from Jadpo main at a707efb.