structs | Golang struct operations | Reflection library

 by   PumpkinSeed Go Version: Current License: Apache-2.0

kandi X-RAY | structs Summary

kandi X-RAY | structs Summary

structs is a Go library typically used in Programming Style, Reflection applications. structs has no bugs, it has no vulnerabilities, it has a Permissive License and it has low support. You can download it from GitHub.

Package structs implements simple functions to manipulate structs in Golang.
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            kandi-support Support

              structs has a low active ecosystem.
              It has 17 star(s) with 2 fork(s). There are 3 watchers for this library.
              OutlinedDot
              It had no major release in the last 6 months.
              structs has no issues reported. There are no pull requests.
              It has a neutral sentiment in the developer community.
              The latest version of structs is current.

            kandi-Quality Quality

              structs has no bugs reported.

            kandi-Security Security

              structs has no vulnerabilities reported, and its dependent libraries have no vulnerabilities reported.

            kandi-License License

              structs is licensed under the Apache-2.0 License. This license is Permissive.
              Permissive licenses have the least restrictions, and you can use them in most projects.

            kandi-Reuse Reuse

              structs releases are not available. You will need to build from source code and install.
              Installation instructions are not available. Examples and code snippets are available.

            Top functions reviewed by kandi - BETA

            kandi has reviewed structs and discovered the below as its top functions. This is intended to give you an instant insight into structs implemented functionality, and help decide if they suit your requirements.
            • Replace replaces all of the values of s with the same number of elements .
            • main is the main entry point for testing
            • FieldNameByValue returns the name of the field in s .
            • Index returns the index of the first known value in s .
            • Contains checks whether s is in s .
            • containsInt checks whether v is contained in v .
            • containsMain runs the main loop .
            • Map calls handler for each field in s .
            • containsString checks if s is a string
            • containsComplex128 checks if s is a complex128
            Get all kandi verified functions for this library.

            structs Key Features

            No Key Features are available at this moment for structs.

            structs Examples and Code Snippets

            No Code Snippets are available at this moment for structs.

            Community Discussions

            QUESTION

            Why operator= is not working for standard types with template placement new?
            Asked 2021-Jun-14 at 15:58

            So ~T() works even for standard types (which are not classes/structs) I assumed operator=(const T &) also can be valid as the default method, but it's not:

            ...

            ANSWER

            Answered 2021-Jun-14 at 15:58

            Yes. The standard defines "pseudo-destructor calls", so that something like ptr->~T() or ref.~T() is valid for built-in scalar types (§[expr.prim.id.dtor]):

            1. An id-expression that denotes the destructor of a type T names the destructor of T if T is a class type (11.4.6), otherwise the id-expression is said to name a pseudo-destructor.
            2. If the id-expression names a pseudo-destructor, T shall be a scalar type and the id-expression shall appear as the right operand of a class member access (7.6.1.4) that forms the postfix-expression of a function call (7.6.1.2). [Note: Such a call has no effect. —end note]

            For better or worse, the same thing is not done for other operators that are valid on built-in scalar types, so (as you've found) you can't refer to some_int.operator=, for example).

            There has been (considerable) discussion of some sort of uniform function call syntax, that would allow the compiler to sort out at least some things like this, but although it's been proposed at least a couple of times (early on by Francis Glassborrow, more recently by Bjarne and Herb Sutter), it hasn't been accepted. If you're interested in this apart from using it in C++, D does support something on this order you might find interesting to look into.

            Outside of that, although it's not as easy as you'd probably like, you can probably use SFINAE to select between foo = bar; and foo.operator=(bar);, if you really need to do so (though I'll admit, I'm not sure what advantage you get from the .operator= syntax).

            Source https://stackoverflow.com/questions/67973135

            QUESTION

            IO Completion port returning NULL Completion Key
            Asked 2021-Jun-14 at 14:36

            First time using IO Completion Ports. I'm having an issue where the GetQueuedCompletionStatus returns a Null for the Completion Key, which I am using to pass a data struct with handles for other portions of the code. The GetQueuedCompletionStatus seems to be triggering off messages received just fine otherwise.

            I tried to include just the code involving the IO Completion ports:

            The Data Structs:

            ...

            ANSWER

            Answered 2021-Jun-14 at 14:36

            Any Ideas why the IOCP is not passing the Completion Key?

            of course it passing back exactly what you pass to CreateIoCompletionPort and I/O in place pointer to OVERLAPPED

            but at first

            Source https://stackoverflow.com/questions/67964718

            QUESTION

            C++ template parameter: to find out if a parameter exists in parameter list during compilation time
            Asked 2021-Jun-14 at 09:59

            I have a struct Robot:

            ...

            ANSWER

            Answered 2021-Jun-14 at 08:52

            You can write a trait like this:

            Source https://stackoverflow.com/questions/67967211

            QUESTION

            Keeping difference between to addresses instead of storing a pointer to next address (linked list)?
            Asked 2021-Jun-13 at 10:26

            I want to cut down the size of my metadata struct for my own heap allocator. One field in my struct holds a pointer to the next instance of the struct:

            ...

            ANSWER

            Answered 2021-Mar-06 at 20:56

            If the memory pool was allocated as a single object (like result of a single malloc() or a global array) then pointer arithmetics can be safely used.

            Source https://stackoverflow.com/questions/66510404

            QUESTION

            Is it possible to have a structure for dynamic keys along with static keys for json in Golang
            Asked 2021-Jun-13 at 02:57

            My apologies for the basic question. I am new to Golang and I have the json to parse as below

            ...

            ANSWER

            Answered 2021-Jun-13 at 02:57

            Implemented custom unmarshler for config type.

            Note

            • If you don't need Parameters and dynamicParametes as struct types, you can simply unmarshal them into map[string]string

            • you have to expose all fields in your structs to do json unmarshaling

            • validate your json string

            Source https://stackoverflow.com/questions/67952261

            QUESTION

            Where are static structs stored in C#?
            Asked 2021-Jun-12 at 21:14

            From this question I understood that

            • structs can be allocated on the stack or in registers and not on the heap
            • if a struct is part of a reference type object on the heap, the struct will also be on the heap

            But how about a struct that is not part of an object, but a static member of a class like so:

            ...

            ANSWER

            Answered 2021-Jun-01 at 06:36

            Perhaps you missed it: Eric Lippert has mentioned it in a side note:

            [...] and static variables are stored on the heap.

            That's written in the context of

            The truth is that this is an implementation detail [...]

            Here's how the Microsoft implementation does it:

            But why are static variables stored on the heap?

            Well, even the Main() method does not live forever. The Main() method could end and some other threads could still be running. What should happen in such a case to the struct? It needn't necessarily be on the heap, but I hope you see that it can't be on the stack and not in a register. The struct must be somewhere for other threads to still be able to access it. Heaps are a good choice.

            Code example where Main() dies:

            Source https://stackoverflow.com/questions/67755970

            QUESTION

            Why does C# array change to length 1 after being passed by ref from C# to a C++ library when running on Android but works properly on Windows?
            Asked 2021-Jun-12 at 18:04

            The length of an array I pass as ref from C# to a C++ library function returns with length of 1 instead of its actually length when run on Android.

            The code works fine when written for windows, but not for Android.

            FYI, this is a Unity project and I'm using OpenCV.

            I have the following function in the library.

            ...

            ANSWER

            Answered 2021-Jun-12 at 18:04

            This may be a packing issue. Consider using Unity's Color32 struct, which is perfectly aligned for use in native code.

            Also you can't pass managed array as ref (because ref may also add internal info, such as array length before actual data, which become overwritten by DLL code), for this call you should use

            Source https://stackoverflow.com/questions/67951462

            QUESTION

            SwiftUI / Combine subscribe to updates in multiple nested collections
            Asked 2021-Jun-12 at 17:36

            I have a SummaryView with a Report as @State.

            A Report is a protocol which includes some changes a user might want to make:

            ...

            ANSWER

            Answered 2021-Jun-08 at 12:07

            Your issue is immediately solved if ProposedChange is a struct and not a class. Unless its instances have their own life cycle, then they are just holders of value, so should be semantically a struct.

            The reason your issue is solved is because mutating a property of a struct mutates the struct, so SwiftUI knows to recompute the view, whereas with a class you need to subscribe to changes.

            Assuming ProposedChange is a struct:

            Source https://stackoverflow.com/questions/67864691

            QUESTION

            Implementing a generic filter for slice or map of structs in Go
            Asked 2021-Jun-12 at 15:25

            I have multiple structs with a "DateLastModified" field, like so:

            ...

            ANSWER

            Answered 2021-Jun-12 at 15:03

            You can extract a base struct which has field DateLastModified time.Time and methods like isBefore(start), isAfter(end), isBetween(start, end)

            Source https://stackoverflow.com/questions/67949978

            QUESTION

            Athena Creating Table from JSON, how to deal with multiple nested structure
            Asked 2021-Jun-12 at 08:13

            I am trying to create a table from a json, the json being like

            ...

            ANSWER

            Answered 2021-Jun-12 at 08:13

            The problem is that there is a missing : after office, just like the error message is saying.

            There is also another : missing after workstationNo.

            Try struct,workstationNo: int>.

            Source https://stackoverflow.com/questions/67934876

            Community Discussions, Code Snippets contain sources that include Stack Exchange Network

            Vulnerabilities

            No vulnerabilities reported

            Install structs

            You can download it from GitHub.

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