{⟦
  org() ↦ ⟦
    eolang() ↦ ⟦
      txt() ↦ ⟦
        sscanf(format, read) ↦ ⟦
          λ ⤍ Lorg_eolang_txt_sscanf
        ⟧,
        λ ⤍ Package
      ⟧,
      λ ⤍ Package
    ⟧,
    λ ⤍ Package
  ⟧
⟧}