RosettaCodeData/Task/Higher-order-functions/Draco/higher-order-functions.draco
2023-07-01 13:44:08 -04:00

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/* Example functions - there are no anonymous functions */
proc nonrec square(word n) word: n*n corp
proc nonrec cube(word n) word: n*n*n corp
/* A function that takes another function.
* Note how a function is defined as:
* proc name(arguments) returntype: [code here] corp
* But a function variable is instead defined as:
* proc(arguments) returntype name
*/
proc nonrec do_func(word start, stop; proc(word n) word fn) void:
word n;
for n from start upto stop do
write(fn(n):8)
od;
writeln()
corp
/* We can then just pass the name of a function as an argument */
proc main() void:
do_func(1, 10, square);
do_func(1, 10, cube)
corp