kin-openapi
decimal
kin-openapi | decimal | |
---|---|---|
6 | 15 | |
2,397 | 5,945 | |
1.9% | 2.0% | |
8.5 | 7.4 | |
4 days ago | 14 days ago | |
Go | Go | |
MIT License | GNU General Public License v3.0 or later |
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kin-openapi
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Create Production-Ready SDKs With gRPC Gateway
We'll use the excellent kin-openapi Go library to convert the OpenAPI 2.0 schema to OpenAPI 3.0.
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OpenAPI Generator allows generation of API client libraries from OpenAPI Specs
What is your language?
I've found kin-openapi to be good for Go:
https://github.com/getkin/kin-openapi
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swaggo/swag alternative, but should generate OpenAPI 3.0 spec file
I recently used https://github.com/getkin/kin-openapi openapi2 and openapi2conv to convert the v2 yaml to v3 yaml.
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Any good OpenAPI 3.x spec generator for a Go REST API?
This might not be very helpful, but I've have found every "generate spec from code" package to be limited sooner or later, and that's across languages. I finally settled on writing the spec file by hand, linting it in CI using openapi-cli, and using kin-openapi in Go tests to ensure responses match their schema.
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What are your favorite packages to use?
oklog/ulid to generate IDs. coreos/go-oidc for validating JWTs I get from auth. google/go-cmp for comparing structs in tests (unless the project is already using Testify). spf13/pflag because life's too short for Go's flag handling. getkin/kin-openapi for validating reqests/responses against my OpenAPI spec (in tests).
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Do you use swagger to generate backends?
Then define the corresponding YAML/JSON specification (again manually) either using Swagger 2.0 (with go-swagger) or OpenAPI 3 (with kin-openapi), and
decimal
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Trouble understanding rounding when the next digit is after round precision is a #5?
Try it in JS with console.log(4.225 * 100);, you'll see the same unexpected result. Depending on your needs, it's actually fine to just be off by some amount. If it does really matter, then use an arbitrary precision library like https://github.com/shopspring/decimal to get the results you need.
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Handling currency values: facts and best practices
Most programming languages ( JavaScript, PHP, Go, Python, Java, C# ) have built-in support or 3rd-party libraries for handling this data type, even though the internal implementations can differ:
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Any go and python number experts here?
while working with money, dont use floats, use something like https://github.com/shopspring/decimal (go std lib doesnt have its own decimals yet)
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my first golang project!
Integers, or something like this: https://github.com/shopspring/decimal
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80x improvements in caching by moving from JSON to gob
I make heavy use of caching, and was caching both in-memory and in Redis using JSON to convert the data in to a string. The struct itself isn't super complicated, one level nested, and some fields use the shopspring/decimal library.
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Unexported interfaces usage question
I actually use this to represent monetary values btw :)
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How to round(2) float64?
Check out https://github.com/shopspring/decimal for doing money related calculations.
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Library recommendation -- money calculations, more accurate handling of floats
We personally use https://github.com/shopspring/decimal and it works well.
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What are your favorite packages to use?
decimal, one of the first Go library that created to work with decimal and monetary value.
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What libraries from other languages do you wish were ported over into go?
https://github.com/shopspring/decimal also.
What are some alternatives?
GoSwagger - Swagger 2.0 implementation for go
Golang Crypto Trading Bot - A golang implementation of a console-based trading bot for cryptocurrency exchanges
chi - lightweight, idiomatic and composable router for building Go HTTP services
decimal - A high-performance, arbitrary-precision, floating-point decimal library.
oapi-codegen - Generate Go client and server boilerplate from OpenAPI 3 specifications
go-money - Go implementation of Fowler's Money pattern
Gin - Gin is a HTTP web framework written in Go (Golang). It features a Martini-like API with much better performance -- up to 40 times faster. If you need smashing performance, get yourself some Gin.
go-finance - :warning: Deprecrated in favor of https://github.com/piquette/finance-go
swagger2markup - A Swagger to AsciiDoc or Markdown converter to simplify the generation of an up-to-date RESTful API documentation by combining documentation that’s been hand-written with auto-generated API documentation.
Testify - A toolkit with common assertions and mocks that plays nicely with the standard library
openapi-generator - OpenAPI Generator allows generation of API client libraries (SDK generation), server stubs, documentation and configuration automatically given an OpenAPI Spec (v2, v3)
apd - Arbitrary-precision decimals for Go