govalidator
mapstructure
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govalidator | mapstructure | |
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3 | 16 | |
5,926 | 7,665 | |
- | - | |
0.0 | 0.6 | |
about 2 months ago | 26 days ago | |
Go | Go | |
MIT License | MIT License |
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govalidator
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Is there any equivalent to pydantic, serde, etc?
Go uses zero values to provide sensible default values. It's a design choice. With a quick Google you'll find several libraries such as https://github.com/go-playground/validator or https://github.com/asaskevich/govalidator. I use validator whenever I need to ensure any JSON I unmarshalled is correct.
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Restful API with Golang practical approach
govalidator: A package of validators and sanitisers for strings, structs and collections (https://github.com/asaskevich/govalidator)
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Is there a module to determine a data type?
If you just want to assert that certain strings are convertible into certain types, https://github.com/asaskevich/govalidator contains a lot of handy functions to do just that.
mapstructure
- How do I marshal a JSON array into a map?
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Is there any equivalent to pydantic, serde, etc?
Maybe https://github.com/mitchellh/mapstructure can do what you want? It has some options for Remainder Values and Omit Empty
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Struggling to get JSON response data into usable struct
I've tried using mapstructure to then marshal the map fields into a struct which mostly works (it struggles with times and custom time types which requires a workaround for each case), but this doesn't feel very idiomatic and requires two passes at marshaling.
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Return unstructed db rows to struct
Although some orders may have more records maybe a superset can be indentified that you can actually create a struct of it and after gathereing first all values into a map then convert it to a struct maybe using a library like https://github.com/mitchellh/mapstructure . this way you can at least isolate the non structured data only on the data extraction part and the rest of your application can work with well formed structs.
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Trying to print JSON data from a file
Alternatively, you could try https://github.com/mitchellh/mapstructure if you don't know what your incoming structure is
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How to ensure required fields in struct consistently?
I'm doing it by validating a map[string]any first then putting it into a structure using mapstructure. It covers most use-cases and offers the most flexibility, at the expense of a bit of performance.
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Question about Unmarshalling
That said, it is possible to do this with JSON using something like https://github.com/tidwall/gjson or if you are fine with the switch statement but don't want to marshal and unmarshal again: https://github.com/mitchellh/mapstructure
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What type of software do you write at your workplace?
https://github.com/mitchellh/mapstructure because we have JSON documents which contain rugged arrays ;-)
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Help with mapstructure.Decode()
I've been using mapstructure.Decode to great effect, but currently can't figure out why a given mapping doesn't work. I'd appreciate it if someone could point out wtf I'm doing wrong or at least in the right direction:
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map[string]interface{} decoder
What do you mean by "decode"? I've used https://github.com/mitchellh/mapstructure but that doesn't quite look like what you're doing.
What are some alternatives?
validator - :100:Go Struct and Field validation, including Cross Field, Cross Struct, Map, Slice and Array diving
jsoniter - A high-performance 100% compatible drop-in replacement of "encoding/json"
ozzo-validation - An idiomatic Go (golang) validation package. Supports configurable and extensible validation rules (validators) using normal language constructs instead of error-prone struct tags.
viper - Go configuration with fangs
Password validator library for Go - Flexible and customizable password validation
goprotobuf - Go support for Google's protocol buffers
Validate - ⚔ Go package for data validation and filtering. support Map, Struct, Form data. Go通用的数据验证与过滤库,使用简单,内置大部分常用验证、过滤器,支持自定义验证器、自定义消息、字段翻译。
gogoprotobuf - [Deprecated] Protocol Buffers for Go with Gadgets
postcode - Small Golang package for validating postal codes
structomap - Easily and dynamically generate maps from Go static structures
govalid - Struct validation using tags
go-capnproto - Cap'n Proto library and parser for go. This is go-capnproto-1.0, and does not have rpc. See https://github.com/zombiezen/go-capnproto2 for 2.0 which has rpc and capabilities.