diff --git a/spago.lock b/spago.lock
index 66145cb..397bb89 100644
--- a/spago.lock
+++ b/spago.lock
@@ -118,520 +118,13 @@ workspace:
           - type-equality
           - unfoldable
           - unsafe-coerce
-  package_set:
-    address:
-      registry: 55.1.0
-    compiler: ">=0.15.15 <0.16.0"
-    content:
-      abc-parser: 2.0.1
-      ace: 9.1.0
-      address-rfc2821: 0.1.1
-      aff: 7.1.0
-      aff-bus: 6.0.0
-      aff-coroutines: 9.0.0
-      aff-promise: 4.0.0
-      aff-retry: 2.0.0
-      affjax: 13.0.0
-      affjax-node: 1.0.0
-      affjax-web: 1.0.0
-      ansi: 7.0.0
-      apexcharts: 0.5.0
-      applicative-phases: 1.0.0
-      argonaut: 9.0.0
-      argonaut-aeson-generic: 0.4.1
-      argonaut-codecs: 9.1.0
-      argonaut-core: 7.0.0
-      argonaut-generic: 8.0.0
-      argonaut-traversals: 10.0.0
-      argparse-basic: 2.0.0
-      array-builder: 0.1.2
-      array-search: 0.6.0
-      arraybuffer: 13.2.0
-      arraybuffer-builder: 3.1.0
-      arraybuffer-types: 3.0.2
-      arrays: 7.3.0
-      arrays-extra: 0.6.1
-      arrays-zipper: 2.0.1
-      ask: 1.0.0
-      assert: 6.0.0
-      assert-multiple: 0.4.0
-      avar: 5.0.0
-      b64: 0.0.8
-      barbies: 1.0.1
-      barlow-lens: 0.9.0
-      bifunctors: 6.0.0
-      bigints: 7.0.1
-      bolson: 0.3.9
-      bookhound: 0.1.7
-      bower-json: 3.0.0
-      call-by-name: 4.0.1
-      canvas: 6.0.0
-      canvas-action: 9.0.0
-      cartesian: 1.0.6
-      catenable-lists: 7.0.0
-      cbor-stream: 1.3.0
-      chameleon: 1.0.0
-      chameleon-halogen: 1.0.3
-      chameleon-react-basic: 1.1.0
-      chameleon-styled: 2.5.0
-      chameleon-transformers: 1.0.0
-      channel: 1.0.0
-      checked-exceptions: 3.1.1
-      choku: 1.0.1
-      classless: 0.1.1
-      classless-arbitrary: 0.1.1
-      classless-decode-json: 0.1.1
-      classless-encode-json: 0.1.3
-      classnames: 2.0.0
-      codec: 6.1.0
-      codec-argonaut: 10.0.0
-      codec-json: 1.2.0
-      colors: 7.0.1
-      concur-core: 0.5.0
-      concur-react: 0.5.0
-      concurrent-queues: 3.0.0
-      console: 6.1.0
-      const: 6.0.0
-      contravariant: 6.0.0
-      control: 6.0.0
-      convertable-options: 1.0.0
-      coroutines: 7.0.0
-      css: 6.0.0
-      css-frameworks: 1.0.1
-      csv-stream: 2.3.0
-      data-mvc: 0.0.2
-      datetime: 6.1.0
-      datetime-parsing: 0.2.0
-      debounce: 0.1.0
-      debug: 6.0.2
-      decimals: 7.1.0
-      default-values: 1.0.1
-      deku: 0.9.23
-      deno: 0.0.5
-      dissect: 1.0.0
-      distributive: 6.0.0
-      dom-filereader: 7.0.0
-      dom-indexed: 12.0.0
-      dom-simple: 0.4.0
-      dotenv: 4.0.3
-      droplet: 0.6.0
-      dts: 1.0.0
-      dual-numbers: 1.0.2
-      dynamic-buffer: 3.0.1
-      echarts-simple: 0.0.1
-      effect: 4.0.0
-      either: 6.1.0
-      elmish: 0.12.0
-      elmish-enzyme: 0.1.1
-      elmish-hooks: 0.10.3
-      elmish-html: 0.8.3
-      elmish-testing-library: 0.3.2
-      email-validate: 7.0.0
-      encoding: 0.0.9
-      enums: 6.0.1
-      env-names: 0.4.0
-      error: 2.0.0
-      eta-conversion: 0.3.2
-      exceptions: 6.1.0
-      exists: 6.0.0
-      exitcodes: 4.0.0
-      expect-inferred: 3.0.0
-      ezfetch: 1.0.0
-      fahrtwind: 2.0.0
-      fallback: 0.1.0
-      fast-vect: 1.2.0
-      fetch: 4.1.0
-      fetch-argonaut: 1.0.1
-      fetch-core: 5.1.0
-      fetch-yoga-json: 1.1.0
-      ffi-simple: 0.5.1
-      fft-js: 0.1.0
-      filterable: 5.0.0
-      fix-functor: 0.1.0
-      fixed-points: 7.0.0
-      fixed-precision: 5.0.0
-      flame: 1.3.0
-      float32: 2.0.0
-      fmt: 0.2.1
-      foldable-traversable: 6.0.0
-      foldable-traversable-extra: 0.0.6
-      foreign: 7.0.0
-      foreign-object: 4.1.0
-      foreign-readwrite: 3.4.0
-      forgetmenot: 0.1.0
-      fork: 6.0.0
-      form-urlencoded: 7.0.0
-      formatters: 7.0.0
-      framer-motion: 1.0.1
-      free: 7.1.0
-      freeap: 7.0.0
-      freer-free: 0.0.1
-      freet: 7.0.0
-      functions: 6.0.0
-      functor1: 3.0.0
-      functors: 5.0.0
-      fuzzy: 0.4.0
-      gen: 4.0.0
-      generate-values: 1.0.1
-      generic-router: 0.0.1
-      geojson: 0.0.5
-      geometry-plane: 1.1.0
-      gojs: 0.1.1
-      grain: 3.0.0
-      grain-router: 3.0.0
-      grain-virtualized: 3.0.0
-      graphs: 8.1.0
-      group: 4.1.1
-      halogen: 7.0.0
-      halogen-bootstrap5: 5.3.2
-      halogen-canvas: 1.0.0
-      halogen-css: 10.0.0
-      halogen-echarts-simple: 0.0.4
-      halogen-formless: 4.0.3
-      halogen-helix: 1.0.0
-      halogen-hooks: 0.6.3
-      halogen-hooks-extra: 0.9.0
-      halogen-infinite-scroll: 1.1.0
-      halogen-store: 0.5.4
-      halogen-storybook: 2.0.0
-      halogen-subscriptions: 2.0.0
-      halogen-svg-elems: 8.0.0
-      halogen-typewriter: 1.0.4
-      halogen-vdom: 8.0.0
-      halogen-vdom-string-renderer: 0.5.0
-      halogen-xterm: 2.0.0
-      heckin: 2.0.1
-      heterogeneous: 0.6.0
-      homogeneous: 0.4.0
-      http-methods: 6.0.0
-      httpurple: 4.0.0
-      huffman: 0.4.0
-      humdrum: 0.0.1
-      hyrule: 2.3.8
-      identity: 6.0.0
-      identy: 4.0.1
-      indexed-db: 1.0.0
-      indexed-monad: 3.0.0
-      int64: 3.0.0
-      integers: 6.0.0
-      interpolate: 5.0.2
-      intersection-observer: 1.0.1
-      invariant: 6.0.0
-      jarilo: 1.0.1
-      jelly: 0.10.0
-      jelly-router: 0.3.0
-      jelly-signal: 0.4.0
-      jest: 1.0.0
-      js-abort-controller: 1.0.0
-      js-bigints: 2.2.1
-      js-date: 8.0.0
-      js-fetch: 0.2.1
-      js-fileio: 3.0.0
-      js-intl: 1.0.4
-      js-iterators: 0.1.1
-      js-maps: 0.1.2
-      js-promise: 1.0.0
-      js-promise-aff: 1.0.0
-      js-timers: 6.1.0
-      js-uri: 3.1.0
-      json: 1.1.0
-      json-codecs: 5.0.0
-      justifill: 0.5.0
-      jwt: 0.0.9
-      labeled-data: 0.2.0
-      language-cst-parser: 0.14.0
-      lazy: 6.0.0
-      lazy-joe: 1.0.0
-      lcg: 4.0.0
-      leibniz: 5.0.0
-      leveldb: 1.0.1
-      liminal: 1.0.1
-      linalg: 6.0.0
-      lists: 7.0.0
-      literals: 1.0.2
-      logging: 3.0.0
-      logging-journald: 0.4.0
-      lumi-components: 18.0.0
-      machines: 7.0.0
-      maps-eager: 0.5.0
-      marionette: 1.0.0
-      marionette-react-basic-hooks: 0.1.1
-      marked: 0.1.0
-      matrices: 5.0.1
-      matryoshka: 1.0.0
-      maybe: 6.0.0
-      media-types: 6.0.0
-      meowclient: 1.0.0
-      midi: 4.0.0
-      milkis: 9.0.0
-      minibench: 4.0.1
-      mmorph: 7.0.0
-      monad-control: 5.0.0
-      monad-logger: 1.3.1
-      monad-loops: 0.5.0
-      monad-unlift: 1.0.1
-      monoid-extras: 0.0.1
-      monoidal: 0.16.0
-      morello: 0.4.0
-      mote: 3.0.0
-      motsunabe: 2.0.0
-      mvc: 0.0.1
-      mysql: 6.0.1
-      n3: 0.1.0
-      nano-id: 1.1.0
-      nanoid: 0.1.0
-      naturals: 3.0.0
-      nested-functor: 0.2.1
-      newtype: 5.0.0
-      nextjs: 0.1.1
-      nextui: 0.2.0
-      node-buffer: 9.0.0
-      node-child-process: 11.1.0
-      node-event-emitter: 3.0.0
-      node-execa: 5.0.0
-      node-fs: 9.2.0
-      node-glob-basic: 1.3.0
-      node-http: 9.1.0
-      node-http2: 1.1.1
-      node-human-signals: 1.0.0
-      node-net: 5.1.0
-      node-os: 5.1.0
-      node-path: 5.0.0
-      node-process: 11.2.0
-      node-readline: 8.1.1
-      node-sqlite3: 8.0.0
-      node-stream-pipes: 2.1.6
-      node-streams: 9.0.0
-      node-tls: 0.3.1
-      node-url: 7.0.1
-      node-zlib: 0.4.0
-      nonempty: 7.0.0
-      now: 6.0.0
-      npm-package-json: 2.0.0
-      nullable: 6.0.0
-      numberfield: 0.2.0
-      numbers: 9.0.1
-      oak: 3.1.1
-      oak-debug: 1.2.2
-      object-maps: 0.3.0
-      ocarina: 1.5.4
-      open-folds: 6.3.0
-      open-memoize: 6.1.0
-      open-pairing: 6.1.0
-      options: 7.0.0
-      optparse: 5.0.1
-      ordered-collections: 3.2.0
-      ordered-set: 0.4.0
-      orders: 6.0.0
-      owoify: 1.2.0
-      pairs: 9.0.1
-      parallel: 7.0.0
-      parsing: 10.2.0
-      parsing-dataview: 3.2.4
-      partial: 4.0.0
-      pathy: 9.0.0
-      pha: 0.13.0
-      phaser: 0.7.0
-      phylio: 1.1.2
-      pipes: 8.0.0
-      pirates-charm: 0.0.1
-      pmock: 0.9.0
-      point-free: 1.0.0
-      pointed-list: 0.5.1
-      polymorphic-vectors: 4.0.0
-      posix-types: 6.0.0
-      postgresql: 2.0.17
-      precise: 6.0.0
-      precise-datetime: 7.0.0
-      prelude: 6.0.1
-      prettier-printer: 3.0.0
-      profunctor: 6.0.1
-      profunctor-lenses: 8.0.0
-      protobuf: 4.3.0
-      psa-utils: 8.0.0
-      psci-support: 6.0.0
-      punycode: 1.0.0
-      qualified-do: 2.2.0
-      quantities: 12.2.0
-      quickcheck: 8.0.1
-      quickcheck-combinators: 0.1.3
-      quickcheck-laws: 7.0.0
-      quickcheck-utf8: 0.0.0
-      random: 6.0.0
-      rationals: 6.0.0
-      rdf: 0.1.0
-      react: 11.0.0
-      react-aria: 0.2.0
-      react-basic: 17.0.0
-      react-basic-classic: 3.0.0
-      react-basic-dnd: 10.1.0
-      react-basic-dom: 6.1.0
-      react-basic-emotion: 7.1.0
-      react-basic-hooks: 8.2.0
-      react-basic-storybook: 2.0.0
-      react-dom: 8.0.0
-      react-halo: 3.0.0
-      react-icons: 1.1.5
-      react-markdown: 0.1.0
-      react-testing-library: 4.0.1
-      react-virtuoso: 1.0.0
-      reactix: 0.6.1
-      read: 1.0.1
-      recharts: 1.1.0
-      record: 4.0.0
-      record-extra: 5.0.1
-      record-ptional-fields: 0.1.2
-      record-studio: 1.0.4
-      refs: 6.0.0
-      remotedata: 5.0.1
-      repr: 0.5.0
-      resize-observer: 1.0.0
-      resource: 2.0.1
-      resourcet: 1.0.0
-      result: 1.0.3
-      return: 0.2.0
-      ring-modules: 5.0.1
-      rito: 0.3.4
-      roman: 0.4.0
-      rough-notation: 1.0.2
-      routing: 11.0.0
-      routing-duplex: 0.7.0
-      run: 5.0.0
-      safe-coerce: 2.0.0
-      safely: 4.0.1
-      school-of-music: 1.3.0
-      selection-foldable: 0.2.0
-      selective-functors: 1.0.1
-      semirings: 7.0.0
-      signal: 13.0.0
-      simple-emitter: 3.0.1
-      simple-i18n: 2.0.1
-      simple-json: 9.0.0
-      simple-json-generics: 0.2.1
-      simple-ulid: 3.0.0
-      sized-matrices: 1.0.0
-      sized-vectors: 5.0.2
-      slug: 3.0.8
-      small-ffi: 4.0.1
-      soundfonts: 4.1.0
-      sparse-matrices: 2.0.0
-      sparse-polynomials: 3.0.0
-      spec: 7.6.0
-      spec-discovery: 8.3.0
-      spec-mocha: 5.1.0
-      spec-quickcheck: 5.0.1
-      splitmix: 2.1.0
-      ssrs: 1.0.0
-      st: 6.2.0
-      statistics: 0.3.2
-      strictlypositiveint: 1.0.1
-      string-parsers: 8.0.0
-      strings: 6.0.1
-      strings-extra: 4.0.0
-      stringutils: 0.0.12
-      substitute: 0.2.3
-      supply: 0.2.0
-      svg-parser: 3.0.0
-      systemd-journald: 0.3.0
-      tagged: 4.0.2
-      tailrec: 6.1.0
-      tecton: 0.2.1
-      tecton-halogen: 0.2.0
-      test-unit: 17.0.0
-      thermite: 6.3.1
-      thermite-dom: 0.3.1
-      these: 6.0.0
-      threading: 0.0.3
-      toestand: 0.9.0
-      transformation-matrix: 1.0.1
-      transformers: 6.1.0
-      tree-rose: 4.0.2
-      ts-bridge: 4.0.0
-      tuples: 7.0.0
-      two-or-more: 1.0.0
-      type-equality: 4.0.1
-      typedenv: 2.0.1
-      typelevel: 6.0.0
-      typelevel-lists: 2.1.0
-      typelevel-peano: 1.0.1
-      typelevel-prelude: 7.0.0
-      typelevel-regex: 0.0.3
-      typelevel-rows: 0.1.0
-      typisch: 0.4.0
-      uint: 7.0.0
-      ulid: 3.0.1
-      uncurried-transformers: 1.1.0
-      undefined: 2.0.0
-      undefined-is-not-a-problem: 1.1.0
-      unfoldable: 6.0.0
-      unicode: 6.0.0
-      unique: 0.6.1
-      unlift: 1.0.1
-      unordered-collections: 3.1.0
-      unsafe-coerce: 6.0.0
-      unsafe-reference: 5.0.0
-      untagged-to-tagged: 0.1.4
-      untagged-union: 1.0.0
-      uri: 9.0.0
-      url-immutable: 1.0.0
-      uuid: 9.0.0
-      uuidv4: 1.0.0
-      validation: 6.0.0
-      variant: 8.0.0
-      variant-encodings: 2.0.0
-      vectorfield: 1.0.1
-      vectors: 2.1.0
-      versions: 7.0.0
-      visx: 0.0.2
-      web-clipboard: 5.0.0
-      web-cssom: 2.0.0
-      web-cssom-view: 0.1.0
-      web-dom: 6.0.0
-      web-dom-parser: 8.0.0
-      web-dom-xpath: 3.0.0
-      web-encoding: 3.0.0
-      web-events: 4.0.0
-      web-fetch: 4.0.1
-      web-file: 4.0.0
-      web-geometry: 0.1.0
-      web-html: 4.1.0
-      web-pointerevents: 2.0.0
-      web-proletarian: 1.0.0
-      web-promise: 3.2.0
-      web-resize-observer: 2.1.0
-      web-router: 1.0.0
-      web-socket: 4.0.0
-      web-storage: 5.0.0
-      web-streams: 4.0.0
-      web-touchevents: 4.0.0
-      web-uievents: 5.0.0
-      web-url: 2.0.0
-      web-workers: 1.1.0
-      web-xhr: 5.0.1
-      webextension-polyfill: 0.1.0
-      webgpu: 0.0.1
-      which: 2.0.0
-      xterm: 1.0.0
-      yoga-fetch: 1.0.1
-      yoga-json: 5.1.0
-      yoga-om: 0.1.0
-      yoga-postgres: 6.0.0
-      yoga-tree: 1.0.0
-      z3: 0.0.2
-      zipperarray: 2.0.0
-  extra_packages:
-    assert: 6.0.0
-    console: 6.0.0
-    partial: 4.0.0
-    spec: 8.0.0
-    spec-node: 0.0.2
+  extra_packages: {}
 packages:
   aff:
     type: registry
-    version: 7.1.0
-    integrity: sha256-7hOC6uQO9XBAI5FD8F33ChLjFAiZVfd4BJMqlMh7TNU=
+    version: 8.0.0
+    integrity: sha256-5MmdI4+0RHBtSBy+YlU3/Cq4R5W2ih3OaRedJIrVHdk=
     dependencies:
-      - arrays
       - bifunctors
       - control
       - datetime
@@ -723,8 +216,8 @@ packages:
       - unfoldable
   console:
     type: registry
-    version: 6.0.0
-    integrity: sha256-gJpJ53fCDAL8BiCiJXH0HNAJ9K3gJtLo8GDaCK6hA5U=
+    version: 6.1.0
+    integrity: sha256-CxmAzjgyuGDmt9FZW51VhV6rBPwR6o0YeKUzA9rSzcM=
     dependencies:
       - effect
       - prelude
diff --git a/spago.yaml b/spago.yaml
index fc6bcf2..604527c 100644
--- a/spago.yaml
+++ b/spago.yaml
@@ -17,6 +17,13 @@ package:
     - aff: ">=8.0.0 <9.0.0"
   test:
     main: Test.Main
+    # See also other tests
+    #
+    #     spago test --main Test.Main1
+    #     spago test --main Test.Main2
+    #     spago test --main Test.Main3 -- <(head --bytes 1000000 /dev/zero)
+    #     spago test --main Test.Main4
+    #
     dependencies:
       - assert
       - console