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Meaning of ALGOL 68

Matching Terms:  algol 60, algol 60 modified, algol 60 revised, algol 68 revised, algol 68c, algol 68-r, algol 68rs, algol 68s

Computing Dictionary

An extensive revision of algol 60 by Adriaan van Wijngaarden et al. ALGOL 68 was discussed from 1963 by Working Group 2.1 of ifip. Its definition was accepted in December 1968.

ALGOL 68 was complex, and posed difficulties for both implementors and users. It featured structural equivalence; automatic type conversion ("coercion") including dereferencing; flexible arrays; generalised loops (for-from-by-to-while-do-od), if-then-elif-fi, an integer case statement with an 'out' clause; skip and goto statements; blocks; procedures; user-defined operators; procedure parameters; concurrent execution (cobegin/coend); semaphores; generators "heap" and "loc" for dynamic allocation. It had no abstract data types or separate compilation.