Can’t break forEach with Dart. You can use for and indexOf for (var number in id) { var index = id.indexOf(number); print(‘Origin forEach loop’); for (int i = 0; i < 1; i++) { print(“for loop”); } break; }
The idiomatic way to iterate over an array is: for _, armyName in ipairs(armies) do doStuffWithArmyName(armyName) end Note that: Use ipairs over pairs for arrays If the key isn’t what you are interested, use _ as placeholder. If, for some reason, that _ placeholder still concerns you, make your own iterator. Programming in Lua provides … Read more
For break and continue, the additional label lets you specify which loop you would like to refer to. For example, you may want to break/continue the outer loop instead of the one that you nested in. Here is an example from the Go Documentation: RowLoop: for y, row := range rows { for x, data … Read more
The solution is relatively simple: x = Dict(“a”=>”A”, “b”=>”B”, “c”=>”C”) for (key, value) in x print(key); print(value) end # Output: cCbBaA Check out the Julia docs for Base.Dict to learn more about functions you can apply to a Dictionary in Julia!
I found the working example: {% set k = 10 %} {% for i in range(1, k) %} {{ i }} {% endfor %} Source: http://twig.sensiolabs.org/doc/templates.html (not very intuitive to find indeed).
Just use enumerate: Creates an iterator which gives the current iteration count as well as the next value. fn main() { let list: &[i32] = &vec![1, 3, 4, 17, 81]; for (i, el) in list.iter().enumerate() { println!(“The current element is {}”, el); println!(“The current index is {}”, i); } } Output: The current element is … Read more
After searching for this exact problem, I found this book extract online. It exactly answers the question of how to skip the current iteration and jump straight to the next iteration of a repeat loop. Applescript has exit repeat, which will completely end a loop, skipping all remaining iterations. This can be useful in an … Read more
As of 1.0, for loops work with values of types with the Iterator trait. The book describes this technique in chapter 3.5 and chapter 13.2. If you are interested in how for loops operate, see the described syntactic sugar in Module std::iter. Example: fn main() { let strs = [“red”, “green”, “blue”]; for sptr in … Read more
To do a switch case in JSX do it as follow: {{ sectionA: ( <SectionAComponent /> ), sectionB: ( <SectionBComponent /> ), sectionC: ( <SectionCComponent /> ), default: ( <SectionDefaultComponent /> ) }[section]}
Step1: Proceed in the usual way, you will use to find the loop, i.e. Have two pointers, increment one in single step and other in two steps, If they both meet in sometime, there is a loop. Step2: Freeze one pointer where it was and increment the other pointer in one step counting the steps … Read more