Move Fq and Fr trait implementations outside of arkworks when possible #483

	on: [push, pull_request]

	name: Rust CI

	jobs:
	check:
	name: Check
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v2
	- uses: actions-rs/toolchain@v1
	with:
	profile: minimal
	toolchain: stable
	override: true
	- uses: Swatinem/rust-cache@v1
	- uses: actions-rs/cargo@v1
	with:
	command: check

	test:
	name: Test Suite
	runs-on: ubuntu-latest
	# We want to run the tests twice, once with the
	# default backend (u64) and one with the u32_backend,
	# in both cases with the r1cs feature enabled.
	strategy:
	matrix:
	backend: ["r1cs", "r1cs,u32_backend"]
	steps:
	- uses: actions/checkout@v2
	- uses: actions-rs/toolchain@v1
	with:
	profile: minimal
	toolchain: stable
	override: true
	- uses: Swatinem/rust-cache@v1
	- uses: actions-rs/cargo@v1
	with:
	command: test
	args: --features ${{ matrix.backend }}

	fmt:
	name: Rustfmt
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v2
	- uses: actions-rs/toolchain@v1
	with:
	profile: minimal
	toolchain: stable
	override: true
	- uses: Swatinem/rust-cache@v1
	- run: rustup component add rustfmt
	- uses: actions-rs/cargo@v1
	with:
	command: fmt
	args: --all -- --check

	no-std:
	name: no_std compatibility check
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v2
	- uses: actions-rs/toolchain@v1
	with:
	profile: minimal
	toolchain: stable
	override: true
	- uses: Swatinem/rust-cache@v1
	- uses: actions-rs/cargo@v1
	with:
	command: check
	args: --no-default-features
	- uses: actions-rs/cargo@v1
	with:
	command: build
	args: --no-default-features
	- uses: actions-rs/cargo@v1
	with:
	command: test
	args: --no-default-features

Provide feedback