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lo Go 工具库速用指南

golang-lo

Go >= 1.18 项目中希望用 samber/lo(Lodash 风格泛型库)简化集合/映射/字符串、错误处理、重试/节流/防抖、通道并发或指针空值场景时使用。

SKILL.md

Full skill instructions

lo Go 工具库速用指南

快速上手

  • 安装:go get github.com/​samber/​lo@v1。
  • 常用导入:
import (
    "github.com/​samber/​lo"
    lop "github.com/​samber/​lo/​parallel"
    lom "github.com/​samber/​lo/​mutable"
    loi "github.com/​samber/​lo/​it"
)
  • 常用函数速览:
// Filter: 按条件保留
lo.Filter(nums, func(x int, _ int) bool { return x%2==0 })
// Map: 映射生成新切片
lo.Map(nums, func(x int, _ int) int { return x*x })
// Find: 找到首个满足条件的元素
v, ok := lo.Find(nums, func(x int) bool { return x > 10 })
// Uniq: 去重并保持顺序
uniq := lo.Uniq([]string{"a","a","b"})
// GroupBy: 按键分组
groups := lo.GroupBy(users, func(u User) int { return u.Age })
// Must: 遇 err/​false panic,常用于初始化
t := lo.Must(time.Parse(time.RFC3339, ts))

官方清单获取

使用 curl 直接读取最新函数列表:

curl -sSL https://lo.samber.dev/​llms.txt

该清单随 Git 仓库最新提交更新,可能包含尚未发布的变更;使用前请核对本地依赖版本。

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