feat: Add function to check if cache contains a key #407

	name: build
	on: [push, pull_request]
	env:
	GO111MODULE: on
	CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}
	jobs:
	build:
	name: Build
	runs-on: ubuntu-latest
	strategy:
	fail-fast: true
	max-parallel: 2
	matrix:
	go: ["stable", "oldstable"]

	steps:
	- name: Set up Go
	uses: actions/setup-go@v5
	with:
	go-version: ${{matrix.go}}
	id: go

	- name: Check out code into the Go module directory
	uses: actions/checkout@v4

	- name: Lint code
	uses: golangci/golangci-lint-action@v6
	with:
	only-new-issues: true

	- name: Test
	run: \|
	go test -race -count=1 -coverprofile=queue.coverprofile ./queue
	go test -race -count=1 -coverprofile=server.coverprofile ./server
	go test -race -count=1 -coverprofile=main.coverprofile

	- name: Upload coverage to codecov
	run: \|
	go install github.com/modocache/gover@v0.0.0-20171022184752-b58185e213c5
	echo "" > coverage.txt
	gover
	cat gover.coverprofile >> coverage.txt
	bash <(curl -s https://codecov.io/bash)

	- name: Build
	run: go build -v .

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