Search Results for "error"
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Showing 73 open source projects for "error"
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ozzo-validation
An idiomatic Go (golang) validation package
An idiomatic Go (golang) validation package. Supports configurable and extensible validation rules (validators) using normal language constructs instead of error-prone struct tags. Pozzo-validation is a Go package that provides configurable and extensible data validation capabilities. It has the following features. Use normal programming constructs rather than error-prone struct tags to specify how data should be validated. Can validate data of different types, e.g., structs, strings, byte slices, slices, maps, and arrays. ... -
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pg_timetable
pg_timetable: Advanced scheduling for PostgreSQL
pg_timetable is a flexible job scheduler for PostgreSQL that allows scheduling of SQL or shell tasks directly within the database. It supports complex workflows, error handling, and dependency management, making it a powerful alternative to cron or external schedulers for database-related jobs. -
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kcp-go
A crypto-secure Reliable-UDP library for Golang with FEC support
kcp-go is a production-grade reliable UDP library for Go that provides ordered, error-checked stream delivery over UDP packets. It implements the KCP protocol and is built for applications that need lower latency than traditional TCP in challenging network environments. The library has been used in contexts such as online games, live broadcasting, file synchronization, and network acceleration. It exposes interfaces that are compatible with Go’s standard net.Conn style, making it easier for developers to integrate into existing networking code. kcp-go also includes advanced capabilities such as forward error correction, encryption support, packet-level tuning, and performance-oriented session management. ... -
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retry
Simple golang library for retry mechanism
...DelayTypeFunc accepts a new parameter err - this breaking change affects only your custom Delay Functions. RetryIf controls whether a retry should be attempted after an error (assuming there are any retry attempts remaining). -
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go-toml
Go library for the TOML file format
...While go-toml favors usability, it is written with performance in mind. Most operations should not be shockingly slow. Decoder can be set to "strict mode", which makes it error when some parts of the TOML document was not present in the target structure. This is a great way to check for typos. When most decoding errors occur, go-toml returns DecodeError), which contains a human readable contextualized version of the error. TOML supports native local date/times. It allows to represent a given date, time, or date-time without relation to a timezone or offset. ... -
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Scany
Library for scanning data from a database into Go structs and more
...It provides great control and efficiency in your queries, but here is a problem: you need to manually iterate over database rows and scan data from all columns into a corresponding destination. It can be error-prone verbose and just tedious. scany aims to solve this problem. It allows developers to scan complex data from a database into Go structs and other composite types with just one function call and doesn't bother with row iteration. -
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GoFrame
GoFrame is a modular, powerful, high-performance development framework
...Modular, loosely coupled design, rich components, out-of-the-box, automatic codes generating for efficiency, simple and easy to use, detailed documentation, interface designed components, with high scalability, fully supported tracing and error stack feature, specially developed and powerful ORM component. Robust engineering design specifications, convenient development CLI tool provide, OpenTelemetry observability features support, OpenAPIV3 documentation generating, automatically, and much, much more...ready to explore? -
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Go Katas
A collection of daily coding challenges
...It mirrors the kata practice tradition from martial arts—repetitive, thoughtful practice where each exercise reinforces technique, discipline, and problem-solving approach. Each kata prompt focuses on a precise aspect of Go, such as concurrency patterns, memory management, interfaces, error handling, or performance optimization, giving learners structured practice opportunities that go beyond syntax. Implementations can be tested locally, graded automatically with included test suites, and iterated on so that learners get rapid feedback and measurable progress. Because Go is widely used for backend services, cloud tooling, and systems programming, this repository helps participants build confidence in writing reliable, idiomatic, and maintainable code in real environments. -
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DotWeb
Simple and easy go web micro framework
...Feature support, which can be enabled globally by binding HttpServer. Support STRING/JSON/JSONP/HTML format output. Integrated Mock Capability. Support custom Context. Integrated Timeout Hook. Global HTTP Error Handling. Global log processing. Support Hijack and websocket. Built-in Cache support. Built-in Session support - supports automatic switching between active and standby redis. Built-in TLS support. Support access to third-party template engines (need to implement dotweb.Renderer interface). -
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Gocache
Go cache library that brings you multiple ways to manage caches
...A chain cache: use multiple cache with a priority order (memory then fallback to a redis shared cache for instance) A loadable cache: allow you to call a callback function to put your data back in cache. A metric cache to let you store metrics about your caches usage (hits, miss, set success, set error, ...) A marshaler to automatically marshal/unmarshal your cache values as a struct. Define default values in stores and override them when setting data. Cache invalidation by expiration time and/or using tags. Use of Generics. To begin working with the latest version of gocache, you can import the library in your project. -
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cast
safe and easy casting from one type to another in Go
...Especially when dealing with interface{} or dynamic/reflect-heavy code, it becomes cumbersome to assert types or convert values reliably; cast addresses that by offering a suite of functions to convert from any input to the target type with predictable behaviour. Rather than relying purely on raw type assertions, it offers ToInt, ToString, ToBool, ToTime, etc., and their “error-returning” counterparts like ToIntE. It is particularly useful when dealing with data from YAML, TOML, JSON or other formats where the type can be uncertain. The design choice is to avoid guessing about conversions: e.g., only a string strictly representing an integer can convert to int. The library is mature, tested, and widely used—thus ideal for projects that must handle dynamic input gracefully. -
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gojq
Pure Go implementation of jq
...You can also embed gojq as a library to your Go products. gojq is purely implemented with Go language and is completely portable. jq depends on the C standard library so the availability of math functions depends on the library. jq also depends on the regular expression library and it makes building scripts complex. gojq implements nice error messages for invalid query and JSON input. The error message of jq is sometimes difficult to tell where to fix the query. gojq does not keep the order of object keys. I understand this might cause problems for some scripts but basically, we should not rely on the order of object keys. Due to this limitation, gojq does not have the keys_unsorted function and --sort-keys (-S) option. gojq supports arbitrary-precision integer calculation while jq does not; jq loses the precision of large integers when calculation is involved. -
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Fast git handover with mob
Tool for smooth git handover
...The perfect git handover is quick, requires no talking, and allows the rest of the team to continue discussing how to best solve the current problem undisturbed by the handover. mob is a thin wrapper around git. mob provides only a few environment variables for configuration. mob only uses the Go standard library and no 3rd party plugins. mob provides a copy'n'paste solution if it encounters an error. mob requires the user to do changes in non-wip branches. mob owns its wip branches. It will create wip branches, make commits, push them, but also delete them. -
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Gin Boilerplate
The fastest way to deploy a restful api's with Gin Framework
Gin Boilerplate is a starter template for building RESTful APIs with the Gin web framework in Go. It includes a preconfigured project structure, authentication, middleware, and PostgreSQL integration out of the box. This boilerplate is designed to speed up the development of scalable and maintainable Go web applications. -
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Go Backend Clean Architecture
A Go (Golang) Backend Clean Architecture project with Gin, MongoDB
...It organizes code into layers—domain, use cases, interfaces/adapters—so swapping an HTTP framework or database does not ripple through core logic. The template includes well-chosen scaffolding for configuration, logging, dependency injection, error handling, and request validation so teams can focus on business features. It demonstrates practical patterns for repository interfaces, DTOs, and consistent response envelopes that keep APIs predictable. Testing is first-class: ports and adapters are designed for mocking and table-driven tests, which reduces friction when you add features. ... -
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GeoIP2 Reader for Go
Unofficial MaxMind GeoIP2 Reader for Go
...Metadata takes no arguments and returns a struct containing metadata about the MaxMind database in use by the Reader. Enterprise takes an IP address as a net.IP struct and returns an Enterprise struct and/or an error. This is intended to be used with the GeoIP2 Enterprise database. -
17
Expr
Expression language and expression evaluation for Go
Expr package provides an engine that can compile and evaluate expressions. An expression is a one-liner that returns a value (mostly, but not limited to, booleans). It is designed for simplicity, speed and safety. The purpose of the package is to allow users to use expressions inside configuration for more complex logic. It is a perfect candidate for the foundation of a business rule engine. The idea is to let configure things in a dynamic way without recompile of a program. -
18
Goa
Design-based APIs and microservices in Go
...The service design describes the transport independent layer of the services in the form of simple methods that accept a context and a payload and return a result and an error. The design also describes how the payloads, results and errors are serialized in the transport (HTTP or gRPC). For example a service method payload may be built from an HTTP request by extracting values from the request path, headers and body. This clean separation of layers makes it possible to expose the same service using multiple transports. ... -
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Logrus
Structured, pluggable logging for Go
Logrus is a structured, pluggable logger for Go (golang) that is completely API compatible with the standard library logger. It encourages careful, structured logging through much more discoverable logging fields rather than long, unparseable error messages. This produces much more useful logging messages. Logrus is currently in maintenance mode, which means that new features will no longer be introduced. This does not mean however, that it is dead. It continues to be maintained for security, backwards compatibility and performance, so you can still rely on it for structured logging in Golang. ... -
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Jsonnet Language Server
A Language Server Protocol (LSP) server for Jsonnet
A Language Server Protocol (LSP) server for Jsonnet. The design is influenced by several configuration languages internal to Google, and embodies years of experience configuring some of the world's most complex IT systems. Jsonnet is now used by many companies and projects. -
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werf
The CLI tool gluing Git, Docker, Helm, and Kubernetes
...It also deletes unused images from the Docker registry. werf deploys your application to Kubernetes using a chart in the Helm-compatible format with handy customizations and improved rollout tracking mechanism, error detection, and log output. -
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pp
Colored pretty printer for Go language
Colored pretty printer for Go language. Just call pp.Print(). fmt package-like functions are provided. You can also create own instances that do not interfere with the default printer. If you require, you may change the colors (all or some) for syntax highlighting. You may combine any color with a background color and optionally with the bold parameter. -
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Go Jsonnet
This an implementation of Jsonnet in pure Go
go-jsonnet is a pure Go implementation of the Jsonnet data templating language, which extends JSON with variables, functions, imports, and a standard library so you can generate complex configuration safely. Instead of hand-maintaining massive JSON files, you write concise, reusable templates that evaluate to JSON or YAML, with deterministic semantics and rich error messages. The repository ships both an embeddable VM for Go programs and a command-line interpreter, making it easy to integrate templating into build systems, CLIs, and services. Import paths and custom resolvers let you structure large configuration trees across directories or remote sources, while top-level arguments and external variables parameterize builds per environment. ... -
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Common Expression Language
Fast, portable, non-Turing complete expression evaluation
The Common Expression Language (CEL) is a non-Turing complete language designed for simplicity, speed, safety, and portability. CEL's C-like syntax looks nearly identical to equivalent expressions in C++, Go, Java, and TypeScript. A CEL "program" is a single expression. The examples have been tagged as java, go, and typescript within the markdown to showcase the commonality of the syntax. CEL is ideal for lightweight expression evaluation when a fully sandboxed scripting language is too... -
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Gin Web Framework
The fastest full-featured web framework for Go
Gin is an incredibly fast web framework written in Golang that can perform up to 40 times faster, thanks to its martini-like API and custom version of httprouter. It’s got a very small memory footprint, no reflection and Radix tree based routing as well. For those looking for unprecedented speed and good productivity, Gin is the way to go. Gin is packed with great features, including middleware support, JSON validation and more. It gives an easy to use API for JSON, XML and HTML...