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goutil [![Go Reference](https://pkg.go.dev/badge/github.com/flier/goutil)](https://pkg.go.dev/github.com/flier/goutil) [![Go Report](https://goreportcard.com/badge/github.com/flier/goutil)](https://goreportcard.com/report/github.com/flier/goutil)\n\n`goutil` is a set of toolkits designed to simplify golang development.\n\n- [arena](#arena) A simple memory arena allocator.\n- [either](#either) The Either with variants Left and Right is a general purpose sum type with two cases.\n- [opt](#opt) Optional values.\n- [res](#res) Error handling with the Result type.\n- [tuple](#tuple) A finite heterogeneous sequence, (T0, T1, ..).\n- [untrust](#untrust) Safe, fast, zero-panic, zero-crashing, zero-allocation parsing of untrusted inputs.\n- [xiter](#xiter) Provides utilities for enhanced iteration patterns and helpers.\n\n## Package\n\n### arena [![Go Reference](https://pkg.go.dev/badge/github.com/flier/goutil)](https://pkg.go.dev/github.com/flier/goutil/pkg/arena)\n\nPackage `arena` provides a low-level, relatively unsafe arena allocation abstraction, inspired by the article [Cheating the Reaper in Go](https://mcyoung.xyz/2025/04/21/go-arenas/).\n\n### either [![Go Reference](https://pkg.go.dev/badge/github.com/flier/goutil)](https://pkg.go.dev/github.com/flier/goutil/pkg/either)\n\nThe Either with variants Left and Right is a general purpose sum type with two cases.\n\n### opt [![Go Reference](https://pkg.go.dev/badge/github.com/flier/goutil)](https://pkg.go.dev/github.com/flier/goutil/pkg/opt)\n\nOptional values.\n\n### res [![Go Reference](https://pkg.go.dev/badge/github.com/flier/goutil)](https://pkg.go.dev/github.com/flier/goutil/pkg/res)\n\nError handling with the Result type.\n\n### tuple [![Go Reference](https://pkg.go.dev/badge/github.com/flier/goutil)](https://pkg.go.dev/github.com/flier/goutil/pkg/tuple)\n\nA finite heterogeneous sequence, (T0, T1, ..).\n\n### untrust [![Go Reference](https://pkg.go.dev/badge/github.com/flier/goutil)](https://pkg.go.dev/github.com/flier/goutil/pkg/untrust)\n\nSafe, fast, zero-panic, zero-crashing, zero-allocation parsing of untrusted inputs.\n\n### xiter [![Go Reference](https://pkg.go.dev/badge/github.com/flier/goutil)](https://pkg.go.dev/github.com/flier/goutil/pkg/xiter)\n\nProvides utilities for enhanced iteration patterns and helpers.","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fflier%2Fgoutil","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fflier%2Fgoutil","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fflier%2Fgoutil/lists"}