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Does Nim support type inference?


By : Kristen Manila
Date : September 15 2020, 03:00 PM
this will help I saw this example in Nim, it requires explicit type specification for int and bool, although there's enough information to infer both (like TypeScript would do). , From the manual:
code :


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Why does Java not support type inference for constructors?


By : Sachin
Date : March 29 2020, 07:55 AM
seems to work fine This is a Java 7 improvement also known as the diamond operator. The syntax will be:
code :
List<String> strings = new ArrayList<>();

Why does JDK Map.get not support type inference on the return value


By : user3494956
Date : March 29 2020, 07:55 AM
I wish this helpful for you Because it isn't (in general) safe to do this. A Map specifically declares that its values may be any type of Object, not just Foo, so in typical usage one should not be assigning its values to anything else. Doing so would be a programmer error usually, which the type system should (and does) help you avoid. If you want to do something like that, there's always casting, which makes your intent explicit.

Does C# support type inference of the return type?


By : Μάριος Μιχαήλ
Date : March 29 2020, 07:55 AM
Hope this helps This is just a curiousity about if there is a fundamental thing stopping something like this (or correct me if there's already some way): , Because what would happen if you did this?
code :
static void M(int x){}
static void M(double x){}
static T N<T>() {}
...
M(N());

Implicit parameters break type inference or inference does not suffice for their resolution?


By : madA.reverse
Date : March 29 2020, 07:55 AM
Hope that helps The issue here is that scala cannot infer the O type because it is not present in Insert
code :
// I is in the parameter list but there is no O to be found
case class Insert[I, O](arg: I)(implicit evidence: Ordering[O]) 
scala> val i = Insert(3)
<console>:9: error: diverging implicit expansion for type Ordering[O]
starting with method Tuple9 in object Ordering
   val i = Insert(3)

Type inference:The initializer in the declaration is used to drive the inference engine,and is required


By : Amier Smith
Date : March 29 2020, 07:55 AM
may help you . I feel your question isn't clear but..
Since all types are derived from Object class, when you say object obj="mukesh", obj will be object, not string.
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