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QuoteRef: huiRKW8_1991
topics >
all references >
Topic:
formal methods and languages
Group:
function
Topic:
notation for operations
Topic:
arrays
Topic:
set-oriented languages
Topic:
programming language
Reference
Hui, R.K.W., Iverson, K.E., McDonnell, E.E., "Tacit definition", APL91 The International Conference on APL, Palo Alto, California, USA, August, 1991, ACM Press, APL Quote Quad, 21, 4, pp. 202-211. Google
202 ;;Quote: the expression +/ in J is a tacit definition of summation; arguments are implicit; tacit definition is widely usable
202 ;;Quote: use verb, adverb, and conjunction instead of function, one-argument operation, and two-argument operation
203 ;;Quote: the tacit function 'f g h' is a fork that applies g to the results of f and h; e.g, 'a (+ * -) b' is '(a+b)*(a-b)'
210 ;;Quote: J's primitives are one or two letters, e.g., $y for shape of y, #y for count of y, x,:y append itemized x to itemized y, f^:n y apply f n times to y
Topic: formal methods and languages (53 items)
Group: function (12 topics, 232 quotes)
Topic: notation for operations (18 items)
Topic: arrays (58 items)
Topic: set-oriented languages (20 items)
Topic: programming language (29 items)