No direct implementation of ISWIM was attempted but Art Evan's PAL and John C. Reynolds' Gedanken captured most of Landin's concepts including powerful transfer-of-control operations.
没有尝试过 ISWIM 的直接实现，但 Art Evan 的 PAL 和 John Reynold 的 Gedanken 捕获了 Landin 的多数概念，包括强力控制转移操作。