Questions tagged [types]
Types, and type systems, are used to enforce levels of abstraction in programs.
types
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Can't understand the reason for this Typescript generic issue
I am learning TS and have the following code:
function getOrDefault<T = string>(value: T, defaultValue: T, car: T): T {
return value || defaultValue;
}
const strValue = getOrDefault("...
- 1,969
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1
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Inherited functions returning self reference with derived type
I am trying to create a system where one base class has a bunch of functions, then derived classes can inherit it and add more functions. However, all of these functions return the this keyword and I ...
1
vote
1
answer
66
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Handling Dynamic Outputs in Swift Functions Without Sacrificing Type Safety (Any)
I have a basic custom structure in Swift where using Any for input types is less than ideal due to the language's statically typed nature, which can bypass the compiler's type checking and lead to ...
- 35
0
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c++ warning: non-void function does not return a value in all control paths
warning: non-void function does not return a value in all control paths...
I know what it means, because the for loops don't return something when the data is empty.
How should I fix it?
template<...
0
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What is the benefit of Axios' type variable for response data?
Axios request functions are typed as
get<T = any, R = AxiosResponse<T>>(url: string, config?: AxiosRequestConfig): Promise<R>
(delete, post, etc. are analogously typed), where ...
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33
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Generic types dependencies between function arguments
I'm trying to use binding for a game engine. And I want to add a little typing
/** Engine external functions */
export type Message<TBody> = { }
// This function returns same unique object for ...
- 11
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1
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86
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Should I prefer `dynamic` or `Object?` for generics in Dart?
I've been trying to understand how I should enforce the strict-raw-types rule from Dart, and make sure my code adheres strictly to the type system.
I understand the difference between dynamic and ...
- 5,652
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Use of protocol as a type must be written with any (Learning Purposes)
I've translated code from a functional programming language to Swift, and it works well when verifying via variables. However, I encounter an error when testing, attributed to Streamable and any ...
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Tensorflow is not casting my tensor as type float64 when I want it to, how do I fix it?
It's basically in the title. I'm trying to cast a tensor as a float64 for extra precision and so it can match what the data type of my bias is. However, despite calling the tf.cast function, it's ...
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Why does type inference fail in this Java program?
Let's consider the following Java program:
import java.util.*;
import java.util.stream.Collectors;
public class Main {
record Foo(String id, List<Bar> bars) {}
record Bar(String id) {}...
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"Unable to Create App State Field 'saveforlater' with Document Reference Data Type in Flutter Flow"
Story
In my Flutter Flow project, I'm working on implementing an app with functionality similar to a shopping cart. I have successfully implemented the "Add to Cart" feature, but I am ...
2
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1
answer
39
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Wrapped functions of a Python module raise TypeError
I am currently trying to replace a module in a large code base in a certain condition and to figure out when any function of this module is called, I wrap each function/method in the module with a ...
- 2,345
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How to Mock a Boolean Hook and a Database Update Call Within a Custom Hook to Bypass Them
The issue I am facing is that I have a custom hook that is asynchronous and does three main things:
A. It makes a check; if the check is true, it continues.
B. It makes a Firebase call; if successful, ...
- 2,171
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How does the arrow operator in haskell make sense in functions that take more than one parameter?
FYI: Second day into Haskell
MRE (what the function does, does not matter):
foo :: Int -> Int -> Int
foo x y
| x == y = x + y
| x < y = x
| x > y = y
This is what ...
- 2,102
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Is there a smart Typescript way to handle complex union type problems with the Notion SDK?
I'm writing a function in Typescript for cloning a specified block/page in Notion using their API. Since there isn't a provided endpoint for duplicating pages programmatically, I've decided to attempt ...
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