Files
scriptc/tests/corpus/optional-callback-arity.ts
Chris Tate 2069684b40 Expand static Effect support across common APIs (#598)
* Expand static Effect support across common APIs

* Preserve compiler parity across expanded Effect patterns

* Fix compiler regressions exposed by Effect coverage

* Bound shared type conversion traversal

* Clarify conversion contracts and tidy fixtures

* Run every Effect fixture in CI shards

* Preserve inferred array assignments in concurrent Effect programs

* Record inferred array fixture compiler ordering
2026-10-01 02:49:31 -05:00

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TypeScript

type Parser = ((value: unknown, options: unknown) => unknown) | undefined;
function choose(enabled: boolean): Parser {
if (enabled) return (value: unknown) => value;
return undefined;
}
const parse = choose(true);
if (parse) console.log(parse("value", { strict: true }));
console.log(choose(false) === undefined);