feat: adding EarliestBy and LatestBy functions #329

	name: Tests

	on:
	push:
	tags:
	branches:
	pull_request:

	jobs:

	test:
	runs-on: ubuntu-latest
	strategy:
	matrix:
	go:
	- '1.18'
	- '1.19'
	- '1.20'
	- '1.21'
	- '1.22'
	- '1.x'
	steps:
	- uses: actions/checkout@v2

	- name: Set up Go
	uses: actions/setup-go@v2
	with:
	go-version: ${{ matrix.go }}
	stable: false

	- name: Build
	run: make build

	- name: Test
	run: make test

	- name: Test
	run: make coverage

	- name: Codecov
	uses: codecov/codecov-action@v2
	with:
	token: ${{ secrets.CODECOV_TOKEN }}
	file: ./cover.out
	flags: unittests
	verbose: true
	if: matrix.go == '1.18'

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