feat(singleton_lazy): 移除不必要代码 #40

	name: Go

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

	jobs:
	test:
	name: test
	runs-on: ubuntu-latest
	steps:
	- name: Set up Go 1.x
	uses: actions/setup-go@v2
	with:
	go-version: ^1.15
	id: go

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

	- name: Get dependencies
	run: \|
	go get -v -t -d ./...

	- name: Test
	run: go test -v -cover -coverprofile coverage.out ./...

	- name: coverage
	run: go tool cover -func=coverage.out

Provide feedback