ISWIM

ISWIM (If You See What I Mean) is an abstract computer <a href="/facts/Programming_language/cWTYbgWa">programming language</a> (or a family of languages) devised by <a href="/facts/Peter_Landin/V7dtseWL">Peter Landin</a> and first described in his article "The Next 700 Programming Languages", published in the <a href="/facts/Communications_of_the_ACM/Ix1DvEAk">Communications of the ACM</a> in 1966.
Although not implemented, it has proved very influential in the development of programming languages, especially <a href="/facts/Functional_programming/cdxqPEIM">functional programming</a> languages such as <a href="/facts/SASL_(programming_language)/3TJjNTcT">SASL</a>, <a href="/facts/Miranda_(programming_language)/t9A6GFYv">Miranda</a>, <a href="/facts/ML_(programming_language)/RfwxASRF">ML</a>, <a href="/facts/Haskell/ydEsHuGy">Haskell</a> and their successors, and <a href="/facts/Dataflow_programming/60IdWpE1">dataflow programming</a> languages like <a href="/facts/Lucid_(programming_language)/X1aM326a">Lucid</a>.

ISWIM open-in-new

ISWIM