A language useful for instructional purposes or as a proof-of-concept for some aspect of computer-science theory, but inadequate for general-purpose programming.Bad Things can result when a toy language is promoted as a general purpose solution for programming (see {bondage-and-discipline language})the classic example is {Pascal}.Several moderately well-known formalisms for conceptual tasks such as programming Turing Machines also qualify as toy languages in a less negative sense.See also MFTL.[Jargon File](1995-05-09)