Function createParseIssueGuard

packages/effect/src/ParseResult.ts:1824–1825

(tag: T)

const createParseIssueGuard =
  <T extends ParseIssue["_tag"]>(tag: T) => (issue: ParseIssue): issue is Extract<ParseIssue, { _tag: T }> =>
    issue._tag === tag

/**
 * Returns `true` if the value is a `Composite`.