Generics Questions

I want to create a function that returns a constructor function for one of my existing react components. the return value is a

I have a very simple react component named: github.tsx in it, i have this code: import react from 'react'

The handleonchange function does not autocomplete the key parameter and does not provide the correct type for

I've never used any of the .net generics in my work, but i understand that they are fairly popular. does anyone have any good links or book

This is probably a newbie question but i couldn´t find a good answer even googling and reading a lot about the subject. i have a generic

I am in the process of creating a utility type that could convert multiple explicitly specified optional props into required props. i am

Let's say i have a function with the following signature: <t> t f(list<t> a, t b) obviously, i can do the

Is there a way to collect (e.g. in a list) multiple 'generic' objects that don't share a common super class? if so, how can i access their common

My question concerns c# and how to access static members ... well i don't really know how to explain it (which kind of is bad for a question isn't

I am trying to implement a decorator chain for my data-access based on irepository. i have a repository that does the data- access (at the moment

I've been trying ot create a function that does some inflection on any case class but can't figure out how to pull it off on non concrete generic

What is an appropriate way to solve the following example with swift? i know because of type erasure that you cannot assign

Consider the following article from jls that describes the reduction procedure for the methodreference expressions during type inference

I'm experimenting with generic-like code and i have a function like this (a lot of not relevant code removed): typedef uint8_t

Just an example function: // merges objects | arrays function merge(...values) { return

Above error come error comes in apple documentation code when i run on playground xcode 9.2

I have an interface, interface a<in t> { fun onsuccess(response: t) fun onfailure() }

I am implementing an errorboundary using typescript and react tslint is showing an error property 'componentstack' does not exist on

I have this working as expected in the below example, my question is - is there anyway i can rewrite this so that i don't have to pass both a

I'm trying to implement a generic interface with concrete types, but the java compiler is forcing me to instantiate it as raw. this is a mock-up

I have a node js function with one parameter that is an object with keys and the values are functions that then resolve to the underlying

I have three classes--very simple example: public class mytablelayoutpanelbase : tablelayoutpanel { } public class

I am trying to resolve a problem i have when deserializing a hashmap<integer, myparcelablepojo>. trying to find an answer, i

I have a reusable react component. it has a few props, which accept a generic. this is the compoent: export interface mappedobject

So i am aware of python's typing.optional. but i wrote my own crude pyoptional (code

Trying to implement a simple mvp structure with kotlin, here are my base classes: abstract class baseactivity<p :

Assume you have a python class that inherits from generic[t]. is there any way to get a hold of the actual type passed in from within the

I am very new to dart and flutter, and i've been trying to make two classes (successstate and errorstate) that implement an abstract class

I've got one union type that is constructed from object keys, which may contain string, number, and boolean keys. example:

I have types like this: export type notificationtype = 'comment' | 'like' | 'message' | 'follow' | unknown type messagebody<t

In the process of rewriting java code to kotlin i need to define the object type of a list. the thing is that it is unknown and

In my case i'm working with usereducer from react

When i try to get the type of a class with generic class dummy<t> { t? value; } void main() { type t = dummy<int>;

Why this generic classes throw errors? since t extends datamodel, it should allow to assign instances of datamodel but

I have an abstract class: abstract class abstractviewholder(itemview: view) : recyclerview.viewholder(itemview)

I'm facing an error with the following code: interface a1 { val string: string } data class a2(override var string: string =

Is it possible to some how achieve something like that? class someclass<t> { }

Why is it assigning a value to a generic field is not possible when assigned directly, but same is possible when using a variable reference or

Type number interface { int | int64 | float64 } type nnumber interface { } //interface

There is a data set as ienumerable<t> griddata which is bound to a data grid. in one scenario data loaded with t

I want to have a list of activities and i want to loop through it to check if the current activity is of

Is it possible, in dart, to have generic methods in non-generic class, like in java? i use

I have a class defined like this: abstract class questionpagebasestate<t extends question<dynamic, dynamic>>

I want to order objects in a list by the value of the objects instance variables and i actually found exactly what i was looking for in this post:

Let's say we have some java node, stringnode and nodefactory classes:

I want to create an extension for a list which would return an in iterable of cumulative values, my approach was like this:-

C#'s list<t> class

Consider the experimental package slices. the

I have a higher-kinded data type like this case class foo[f[_] : functor](a: f[int], b: f[double]) and a value

I'm implementing an mvp architecture in kotlin and android studio shows no error, however it doesn't compile:

I have an implementation of the apollographql query component. when using the apollo client query component, typings can be passed as

I am trying to type the following interface istudenttype { [key: `${students}`]: istudent | istudentmaths|

I'm writing a library which lets the user decorate the function names like this: #ifndef

I run into some behavior that seems a bit weird to me. in the following example, i have two functions that take an object as an input and

I have such a method. in loginactivity.kt. what i want to do is make this method generic and use it everywhere. i want to write a method in

I am writing a custom hook to fetch some data from an api. i would like the returned data to be type-safe if possible. can this be done with

I have a class which wokring with generics: screen bloc class

I want to use generics to decrease maintenance, and possible chance of errors while maintaining, typescript types. i have a function

I would like to define a freezed class [https://pub.dev/packages/freezed] with a generic callback. freezed class: import

For example, i have this function parameter: class myclass { u function<t, u>(t data) callback; myclass ({ this.callback

I have following code (simplified): const todoapi = { add(name: string) {}, edit(id:

I have been working on a currency convert on vs in c# , my current challenging is how to properly convert dollar to frank ,euro to pound sterling

I have the following result object: class result<t> { result._(); factory result.success(t t) =

I want to do something that's probably unorthodox (and borderline useless if we're being honest) so here we go: i want to pass a literal

I have two classes interface ibasicfunctionalityprops { propertyspecificforbasicfunctionality: mytype;

I want to create a function that accepts two arguments, the first is an object that includes an array of strings that are the required fields for

What is equivalent java's r (stands for return) in rust? for example, how can i write something like this in

I'm trying to create a generic class in android using java but i want to make sure that the type would take specific classes with specific

Given an extension method extension listextensions<t> on iterable<t> { double sum(double extract(t)) { double

I'm getting the following error when creating a high order component with typescript. can you please help me solve this issue ?

I have the following object: const myobject = { one: { fixed: { a: 1 } }, two: { fixed: { b: true

In a class based component, i can easily write some code like this: import * as react from 'react'; import { render } from

I have a such class declaration in dart, but when using it the compiler reports error

I am trying to declare a variable and define it's type: const state: state<a, b, c> = { ... }; i am

What i'm trying to achieve i am trying to create a generic dart method that takes a generic type t where t has to implement class imodel.

I'm new to typescript, and working one of my company's repos that uses it heavily. (we're building a react/redux app.) i'm familiar with the

I have an abstract function, where i want to get any of my activity presenters in baseactivity protected

With the following code, how could i improve its readability using reflection and generics? it's a lot of repeated code, but i'm new to these

I am trying to implement something similiar to the let

I'm learning genric in go. i have struct user and member, and i want to make a function to return user or

Let's consider a function like this: fn test<const n: usize>() -> [f64; n] { if

I want to have an extension function from the realmlist class: private inline fun realmlist<any?>.saveall() {

I want to define a generic class like table <t> where t is the interface of the data structure that the table will be bound

Following the django tutorial i have changed to generic views and now my templates cannot be found anymore. error: templatedoesnotexist

This code snippet with generics works perfectly fine

Take for example the following types. type zoneandtools = { a: number, b: string, c: object, } type zonetypes = keyof

I have class a which is a base class for b. and an extension for both types. then if i call an extension from a generic function (even with an

If i have a generic <t2 extends t1>, does the compiler infer t1 super t2? i have a more complex collection,

I have the following function that goes through all the attributes of an object and converts them from iso strings to dates:

Following the kotlin for android developers book, we come across extension function fun <t:any>

I am new to flutter and dart, coming from native android. android has a very nice database abstraction architecture called the room

I have an interface definition as follows export interface routingmap { ticket: { id: number }, car: {

Consider the code bellow. >>> class a(typing.generic[t]): ... @classmethod ...

In the example below

I want to type a function called pick, i know typescript has built-in pick<t, k>, now i want to implement the

When i have a function which accepts an array of a generic type and return a transformed array, i could write: function

I'm trying to type a function that returns a subset of the properties of an object that it is given. i'm not sure why the following does not

I am unable to hide the validation errors based on the value of each segmentedrow (upon switching). edit: eureka version 4.0.1

The following extension method returns a plural version of s only when value is not equal to 1. public

I'm trying to construct map<string, graphnode<character>> from list<pair<graphnode<character>,