simplestruct | A Python library for defining struct-like classes | Reflection library
kandi X-RAY | simplestruct Summary
kandi X-RAY | simplestruct Summary
This small library makes it easier to create "struct" classes in Python without writing boilerplate code. Structs are similar to the standard library's collections.namedtuple but are more flexible, relying on an inheritance-based approach instead of eval()ing a code template. If you like using namedtuple classes but wish they were more composable and extensible, this project is for you.
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Top functions reviewed by kandi - BETA
- Sets the kind of the query
- Normalize a kind
- Return a copy of this struct with the given kwargs
- Return OrderedDict
- Factoring function
simplestruct Key Features
simplestruct Examples and Code Snippets
Community Discussions
Trending Discussions on simplestruct
QUESTION
Also discussed at:
I am having trouble accomplishing my intent in SystemVerilog trying to use the latest language features to make my code more elegant and less verbose. For synthesis**
I would like to accomplish the following:
- be able to parameterize the bit widths of fields in a packed struct that I want to define ... I have attempted to accomplish this using a parameterized interface construct
- I would like for modules with that parameterized interface as an INPUT to the module to be able to infer the bit width of a field inside that packed struct defined inside the interface
I have been mostly successful in past experiments but I have run into an issue.
Please see the following simple interface definition:
...ANSWER
Answered 2021-Jan-07 at 05:22The current SystemVerilog BNF does not allow any dotted "." names in a parameter initialization. But you can get around this by using a typedef instead
QUESTION
This code works:
...ANSWER
Answered 2020-Jun-23 at 18:33When you push &SimpleStruct
to a Vec<*const SimpleStruct>
, Rust knows that it can coerce the reference into a pointer. However, when you collect
it, Rust is trying to coerce a Vec<&SimpleStruct>
to a Vec<*const SimpleStruct>
, which it can't do, so you should be more explicit:
QUESTION
There is a C++ library which contains
- structure
SimpleStruct
- function
GetSimpleStructs
returning pointer to array of this structs
Like this:
...ANSWER
Answered 2020-Jun-14 at 10:19If your unmanaged method returns a pointer to a block of structs, you don't need the IntPtr[]
step - there is only one pointer (that would be useful if you were returning a SimpleStruct **
).
Instead, you need to first make sure you have the layout exactly right (including the size), by using explicit layout attributes, then: just go via the pointer:
QUESTION
i have this simple code
...ANSWER
Answered 2019-Aug-05 at 11:11Gmock can mock only virtual
functions, so in order for it to work add()
should be declared virtual. But it only necessary for it to be virtual for unit testing, so you can do something like:
QUESTION
I filed a bug for this over at the delve site. So, to explain what's going on. I have 2 files in the same package, main.go and common.go. In main.go, it uses some structure from common.go and when i run
dlv debug --listen=:2345 --headless --api-version=2 --log main.go
it fails with 'undefined: NewSimpleStruct' and i am not sure what i am doing wrong.
Here's what the Go files contain,
...ANSWER
Answered 2019-Apr-12 at 03:28You did not list the second source file common.go
by name.
So try:
QUESTION
I have test class which contains some protected and private member:
...ANSWER
Answered 2018-Dec-03 at 17:17JSON.NET doesn't have access to non public properties, that's why it can't process them. It simply can't see them.
What you can do is to write your own ContractResolver
which uses reflection to get the non public properties.
Then you can simply provide the JsonSerializerSettings
on either the DocumentClient
or the operation level.
The way to do that is described here: JSON.Net: Force serialization of all private fields and all fields in sub-classes
QUESTION
I was thinking about how Swift ensures uniqueness for Set because I have turned one of my obj from Equatable
to Hashable
for free and so I came up with this simple Playground
ANSWER
Answered 2018-Dec-02 at 19:08The synthesized implementation of the Hashable
requirement uses all stored
properties of a struct
, in your case string
and number
. Your implementation
of ==
is only based on the string:
QUESTION
In my software application I am using a native library in C++ from Java using JNA. I need a callback function that returns a complex java object to C++.
This might be a simple problem, but I have no experience with C++ or JNA, and I am unable to successfully return the java object to C++.
Most examples I have come across for JNA callback functions are simple, and either they don't return anything or return a simple native type.
My native code looks like the following
...ANSWER
Answered 2018-Oct-01 at 20:35Each JNA Structure
allocates its own memory, which may be GC'd as soon as it goes out of scope.
You need to either have your native code pass the memory to the Java code to be populated (rather than allocating one and returning it), or keep a strong reference to every Structure
that is returned from the Java code to prevent GC.
You might also try calling Structure.write()
just before return; normally Java synchs structures automatically, but there may be a bug doing so when returning a Structure from a callback.
QUESTION
I've been working on a little project to learn about how dynamic memory allocation works. I have a global char buffer I'm using as my heap. After reading these lecture notes I've written Alloc, DeAlloc, MergeBlocks, and SplitBlocks functions for memory management. Alloc and DeAlloc function like malloc and free but for the fact that they write into my heap array. Now that I have them working I am wondering how to overload a simple class to make use of my memory management.
...ANSWER
Answered 2018-Feb-25 at 00:27First of all,
QUESTION
I am try to update my Go code from 1.8 to 1.9. but, i got some problem:
...ANSWER
Answered 2017-Dec-01 at 07:32Probably to do with monotonic time being wiped by marshalling. See the the package docs
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