feat: implement support for functions #1278

	name: CI
	on:
	push:
	branches:
	- main
	pull_request:
	types: [opened, reopened, synchronize]

	jobs:
	test:
	name: Test Rust ${{matrix.toolchain}} on ${{matrix.os}}
	runs-on: ${{matrix.os}}-latest
	strategy:
	fail-fast: false
	matrix:
	toolchain: [stable, nightly]
	os: [ubuntu]
	steps:
	- uses: actions/checkout@main
	- name: Install rust
	uses: actions-rs/toolchain@v1
	with:
	toolchain: ${{matrix.toolchain}}
	override: true
	- name: Test
	uses: actions-rs/cargo@v1
	with:
	command: test

	clippy:
	name: Clippy
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@main
	- name: Install minimal stable with clippy
	uses: actions-rs/toolchain@v1
	with:
	profile: minimal
	toolchain: stable
	components: clippy
	override: true

	- name: Clippy
	uses: actions-rs/cargo@v1
	with:
	command: clippy
	args: --all -- -D clippy::all -D warnings

	rustfmt:
	name: rustfmt
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@main
	- name: Install minimal stable with rustfmt
	uses: actions-rs/toolchain@v1
	with:
	profile: minimal
	toolchain: stable
	components: rustfmt
	override: true

	- name: rustfmt
	uses: actions-rs/cargo@v1
	with:
	command: fmt
	args: --all -- --check

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