demo

Overflow typeof Overflow

A sum that went over limit.

add (a: number, b: number) => Effect<number, Overflow, never>

Two numbers added, as an Effect that fails with Overflow past limit.

addOrNegate (a: number, b: number) => Effect<number, never, never>

add, with an Overflow turned into its sum, negated.

limit 100

The largest sum add gives.

main () => Promise<void>

Runs the playground's programs, one of them asynchronously.

testAdd () => void

testOverflowIsCaught () => void