feat: support index file of dir #123

	name: Test

	on:
	push:
	branches: [ master ]
	pull_request:
	branches: [ master ]

	jobs:

	build:
	name: Build
	runs-on: ubuntu-latest
	strategy:
	matrix:
	go:
	- '1.21'
	- '1.20'
	- '1.19'
	- '1.18'
	steps:

	- name: Go ${{ matrix.go }} test
	uses: actions/setup-go@v2
	with:
	go-version: ${{ matrix.go }}

	- name: Check out code into the Go module directory
	uses: actions/checkout@v2

	- name: Get dependencies
	run:
	curl -sSfL https://raw.githubusercontent.com/golangci/golangci-lint/master/install.sh \| sh -s -- -b $(go env GOPATH)/bin latest

	- name: Lint
	run: make lint

	- name: Test
	run: make test

	- name: Bench
	run: make bench

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