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- Dictionaryrepeat/rɪˈpiːt/
verb
- 1. say again something one has already said: "‘Are you hurt?’ he repeated" Similar
- 2. do (something) again or more than once: "earlier experiments were repeated on a larger scale" Similar
noun
- 1. something that occurs or is done again: "the final will be a repeat of last year" Similar
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You can make n macros though, where n is the max number of repeats you may need. Something like #define _5(x) x ## _4(x) where _1 (x) ... _4 (x) would look similar. Many assembly languages have macros for repeating blocks of code. You may want to write a delay in assembly code.
Jul 2, 2009 · #define repeat(n) { for (int i = 0; i < n; i++) #define endrepeat } repeat(10) { //do stuff } endrepeat; [edit] Someone posted a concern about passing a something other than a value, such as an expression. just change to loop to run backwards, causing the expression to be evaluated only once
Feb 5, 2021 · A loop is the best way to achieve this. For example check out this pseudo code: While person is hungry Eat food a bite of food Increase amount of food in stomach If amount of food ate fills stomach person is no longer hungry stop eating food
Oct 23, 2020 · It returns a new function that will call f n times. You can see this in the base case: when (= n 1), it simply returns f, it doesn't execute (f). (repeat f (- n 1)) calls repeat recursively to get a function that calls f one less time. lambda is then used to construct a new function that calls this new function and then calls f to make the ...
Jun 16, 2013 · Vesa Karvonen's "Order" library/language can definitely do this for you. It implements unrestricted recursion and looping in the C preprocessor, and as a really cool bonus dresses it up with the nice concise syntax of a "proper" programming language (to clarify: this is not an alternative preprocessor, it just does a lot of token-pasting to keep its keywords short.
Apr 30, 2015 · Macro replacement works in four basic steps (ignoring # and ## operators which complicate matters). 1) Each argument is fully macro expanded in isolation from the rest of the program. 2) Formal parameters in the body of the macro are replaced with these expanded arguments. 3) Macro invocation is replaced with this expanded body.
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Jun 17, 2014 · I'm stuck at higher-order functions in python. I need to write a repeat function repeat that applies the function f n times on a given argument x. For example, repeat(f, 3, x) is f(f(f(x))). This is what I have: def repeat(f,n,x): if n==0: return f(x) else: return repeat(f,n-1,x) When I try to assert the following line:
Multiply the list where we want the same item with mutable state repeated. Multiplying a list gives us the same elements over and over. The need for this is infrequent: [iter(iterable)] * 4. This is sometimes used to map an iterable into a list of lists: >>> iterable = range(12) >>> a_list = [iter(iterable)] * 4.
Jul 18, 2012 · There are many ways to do this with the C preprocessor. Here is one: printf("%s\n", DUP(5,"-")); printf("%s\n", DUP(7,"-")); return 0; It's not pretty, and only useful when you really want the string to be stored as static (constant) data. Both the n and 'c' parameters to DUP have to be a constants (they cannot be variables).
