Function flatten

packages/effect/src/SchemaAST.ts:1609–1610

(candidates: ReadonlyArray<AST>)

/** @internal */
export const flatten = (candidates: ReadonlyArray<AST>): Array<AST> =>
  Arr.flatMap(candidates, (ast) => isUnion(ast) ? flatten(ast.types) : [ast])

/** @internal */
export const unify = (candidates: ReadonlyArray<AST>): Array<AST> => {