Implement `Sum` and release a new version #21

	name: CI

	on:
	push:
	branches: [master]
	pull_request:
	merge_group:
	types: [checks_requested]

	jobs:
	Test:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v2
	- uses: actions-rs/toolchain@v1
	with:
	toolchain: stable
	override: true
	profile: minimal
	- name: Test
	run: cargo test

	- name: Serde check
	run: cargo check --features="serde_serialization"

	- name: Num traits check
	run: cargo check --features="num_traits"

	build_result:
	name: Result
	runs-on: ubuntu-latest
	needs:
	- "Test"
	steps:
	- name: Mark the job as successful
	run: exit 0
	if: success()
	- name: Mark the job as unsuccessful
	run: exit 1
	if: "!success()"

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