immutables | A high-performance immutable mapping type for Python | Functional Programming library

 by   MagicStack C Version: 0.20 License: Non-SPDX

kandi X-RAY | immutables Summary

kandi X-RAY | immutables Summary

immutables is a C library typically used in Programming Style, Functional Programming applications. immutables has no bugs, it has no vulnerabilities and it has medium support. However immutables has a Non-SPDX License. You can download it from GitHub.

A high-performance immutable mapping type for Python.
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              immutables has a medium active ecosystem.
              It has 1033 star(s) with 53 fork(s). There are 24 watchers for this library.
              OutlinedDot
              It had no major release in the last 12 months.
              There are 8 open issues and 33 have been closed. On average issues are closed in 91 days. There are 8 open pull requests and 0 closed requests.
              It has a neutral sentiment in the developer community.
              The latest version of immutables is 0.20

            kandi-Quality Quality

              immutables has no bugs reported.

            kandi-Security Security

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

            kandi-License License

              immutables has a Non-SPDX License.
              Non-SPDX licenses can be open source with a non SPDX compliant license, or non open source licenses, and you need to review them closely before use.

            kandi-Reuse Reuse

              immutables releases are available to install and integrate.

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            immutables Key Features

            No Key Features are available at this moment for immutables.

            immutables Examples and Code Snippets

            No Code Snippets are available at this moment for immutables.

            Community Discussions

            QUESTION

            Enforce immutable collections in a Java record?
            Asked 2021-May-21 at 05:01

            Java records are used to implement shallowly immutable data carrier types. If the constructor accepts mutable types then we should implement explicit defensive copying to enforce immutability. e.g.

            ...

            ANSWER

            Answered 2021-May-19 at 13:59

            You can do it already, the arguments of the constructor are mutable:

            Source https://stackoverflow.com/questions/67604105

            QUESTION

            Jupyter Notebook Cannot Connect to Kernel, Likely due to Zipline / AssertionError
            Asked 2021-Apr-12 at 04:17

            All of my virtual environments work fine, except for one in which the jupyter notebook won't connect for kernel. This environment has Zipline in it, so I expect there is some dependency that is a problem there, even though I installed all packages with Conda.

            I've read the question and answers here, and unfortunately downgrading tornado to 5.1.1 didn't work nor do I get ValueErrors. I am, however, getting an AssertionError that appears related to the Class NSProcessInfo.

            I'm on an M1 Mac. Log from terminal showing the error below, and my environment file is below that. Can someone help me get this kernel working? Thank you!

            ...

            ANSWER

            Answered 2021-Apr-04 at 18:14

            Figured it out.

            What works:

            Source https://stackoverflow.com/questions/66907180

            QUESTION

            fetch function doesn't called with react-redux
            Asked 2021-Mar-27 at 11:26

            I want to call a rest api with react-redux but my fetch doesn't called at all.

            My actions:

            ...

            ANSWER

            Answered 2021-Mar-27 at 11:15

            First of all define your rest api function like below

            Source https://stackoverflow.com/questions/66829742

            QUESTION

            How do I use collections in immutable class safely in Java?
            Asked 2021-Feb-07 at 14:01

            I try to implement immutable class, and I see a rule stating "Perform cloning of objects in the getter methods to return a copy rather than the returning actual object reference".

            I understand that when we use immutables there would be no change in copied / cloned collections returned from the getters. When we use custom classes, the change in original collection can be seen also cloned ( shallow copied ) collection return from the getters.

            In below code, I could not understand the case :

            I created two methods, one for return the original collection as courseList and one for shallow copy of the courselist.

            I assigned two version to local references clist1 and clist2.

            Then I changed the item in original list. I can see the change original list and copied list also when I reach them through student object. However the change cannot be seen throug the reference I pointed to the cloned course list before ! I think it should also be affected by the change. Why I cant see the change on previously copied version ? This is reference and I think it should be point the same memory area, I also check the result by another example below again. I created a list containing StringBuilder. I appeded new strs to stringbuilder and then I can see the changed previously copied version of the list.

            So, the main question, must I use the deep copy in immutable classes always ? Is this a wrong usage ? What would be the safe way to use collections in immutable classes ?

            Thanks in advance.

            ImmutableStudent.java

            ...

            ANSWER

            Answered 2021-Feb-07 at 12:04

            From the clone() Javadoc:

            Returns a shallow copy of this ArrayList instance. (The elements themselves are not copied.)

            What this means is that the reference returned by the clone method is actually a reference to a new instance of ArrayList that contains exactly the same elements as the original list. In an example:

            Source https://stackoverflow.com/questions/66086923

            QUESTION

            Rasa installation Requirement Incompatible
            Asked 2021-Jan-08 at 09:35

            I have a laptop with Windows 10 Pro and I'm trying to install Rasa 1.6.0

            When I try to run the command pip install rasa==1.6.0 --no-cache-dir, I get the following error:

            ...

            ANSWER

            Answered 2021-Jan-07 at 08:40

            You're trying to install an old version of Rasa, one that currently isn't supported anymore and which therefore can have incompatible dependencies. At the time of writing Rasa is at version 2.2 and it's best to install via;

            Source https://stackoverflow.com/questions/65601169

            QUESTION

            The library is not installed
            Asked 2020-Dec-16 at 15:37

            What do?,I can't install the library,vkbottle,an error appears,bot on Python?

            ...

            ANSWER

            Answered 2020-Dec-16 at 15:37

            I don't understand you exact query.

            You said you can't install the library and I can see, you trying to import vkbottle. Have you tried to install the library.

            Try using the command: pip install vkbottle

            [Make sure you python environment is active or you can use pip in you terminal or cmd]

            Source https://stackoverflow.com/questions/65326235

            QUESTION

            Immutables no classes being generated eclipse
            Asked 2020-Dec-10 at 15:14

            Been trying to set up the Immutables library but despite following the guide Eclipse doesn't seem to be generating any classes in the target/generated-sources/annotations folder

            here's a screenshot of the java compiler -> Annotation Processing settings

            And of the Factory path showing that the Immutables value-2.8.2.jar is selected as per the Immutables guide -- https://immutables.github.io/immutable.html.

            I've run Project -> Clean and then Project -> Build All

            and I get an error in the Error log of: Exception thrown by Java annotation processor org.immutables.processor.ProxyProcessor@63924c86

            and the corresponding stack trace

            ...

            ANSWER

            Answered 2020-Dec-10 at 15:14

            Your immutables jar is too new or too old (or the Java version that you use to run your eclipse on is too new or too old).

            You can check that java version in eclipse: Find the 'about eclipse' option (under the Eclipse menu on macs, and I think it's under 'help' on other OSes), then pick the configuration tab. Check for the java.home=.... entry in there, that'll be pointing at the JVM used to start eclipse itself. That is throwing out those errors, or, the immutables system ships with an internal compiler (and ecj is usually the java parser that projects use, as it is fast and open source), in which case that's the one that is throwing out the errors. It's hard to tell from the stack track which one's at fault.

            So, I'd check the version of your immutables dep, and if it's very old, update it. Then I'd check the VM you're running eclipse on, and if it's very old, update that.

            Actually, I'd ditch immutables and just use lombok, but then, I would :P

            Source https://stackoverflow.com/questions/65237037

            QUESTION

            Java Immutable Builder classes not detected by IntelliJ
            Asked 2020-Oct-20 at 09:46

            I keep on wondering why IntelliJ cannot detect the classes which are auto-generated by Immutables:

            The code for the RemoteEntityACL is this:

            ...

            ANSWER

            Answered 2020-Oct-20 at 09:46

            Updating to latest version should help fix this:

            Source https://stackoverflow.com/questions/64433666

            QUESTION

            Are the .Values and .Keys in a ImmutableSortedDictionary guaranteed to be sorted?
            Asked 2020-Oct-16 at 07:08

            In C#, are the .Values and .Keys in a ImmutableSortedDictionary guaranteed to be sorted, please?

            The following code:

            ...

            ANSWER

            Answered 2020-Oct-12 at 11:51

            Seemingly it just uses a linq Select statement to get an Enumerator for the Keys and Values as found in the implementation source. So that would garantuee all 3 statements to be sorted as one also would expect from its class name.

            Source https://stackoverflow.com/questions/64315053

            QUESTION

            Inner immutable class with mapStruct
            Asked 2020-Oct-15 at 06:26

            We are using Immutables with MapStruct and ran into a problem while converting an entity to dto.

            ...

            ANSWER

            Answered 2020-Oct-15 at 06:26

            Looking at the title of the question "Inner immutable class with mapStruct" I guess that your immutable classes are inside another class.

            This is a known problem for MapStruct (see mapstruct/mapstruct#2198) that already has a PR for it and it will be fixed in the next non patch release.

            In the meantime you will have to make your Immutable classes top level classes.

            Source https://stackoverflow.com/questions/64344577

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

            Vulnerabilities

            No vulnerabilities reported

            Install immutables

            You can download it from GitHub.

            Support

            For any new features, suggestions and bugs create an issue on GitHub. If you have any questions check and ask questions on community page Stack Overflow .
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            Install
          • PyPI

            pip install immutables

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            https://github.com/MagicStack/immutables.git

          • CLI

            gh repo clone MagicStack/immutables

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            git@github.com:MagicStack/immutables.git

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