Add a const constructor #37

	name: CI Tests
	on:
	# Only run when merging to master, or open/synchronize/reopen a PR.
	push:
	branches:
	- main
	pull_request:

	jobs:
	test:
	name: Test
	runs-on: ubuntu-latest
	steps:
	- name: Checkout
	uses: actions/checkout@v2

	# Cache installation assets
	#
	- name: Cache cargo registry
	uses: actions/cache@v1
	with:
	path: ~/.cargo/registry
	key: ${{ runner.os }}-cargo-registry-${{ hashFiles('**/Cargo.lock') }}
	- name: Cache cargo index
	uses: actions/cache@v1
	with:
	path: ~/.cargo/git
	key: ${{ runner.os }}-cargo-index-${{ hashFiles('**/Cargo.lock') }}
	- name: Cache cargo build
	uses: actions/cache@v1
	with:
	path: target
	key: ${{ runner.os }}-cargo-build-target-${{ hashFiles('**/Cargo.lock') }}

	# Install Rust package manager
	#
	- name: Install cargo
	uses: actions-rs/toolchain@v1
	with:
	toolchain: stable
	profile: minimal

	# Run Tests with cargo
	#
	- name: Build and run tests
	uses: actions-rs/cargo@v1
	with:
	command: test

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