Fix Parser Panicing when Emitting a Syntax Error Message with No Expected Tokens #47

# to view logs

	name: ci

	on:
	push:
	branches: [main]
	pull_request:
	branches: [main]

	env:
	CARGO_TERM_COLOR: always

	jobs:
	build_and_test:
	runs-on: ubuntu-latest
	timeout-minutes: 7

	steps:
	- uses: actions/checkout@v3
	- name: 📦 Cache
	uses: actions/cache@v3
	with:
	path: \|
	~/.cargo/bin/
	~/.cargo/registry/index/
	~/.cargo/registry/cache/
	~/.cargo/git/db/
	target/
	Cargo.lock
	key: ${{ runner.os }}-cargo-${{ hashFiles('**/Cargo.toml') }}
	restore-keys: \|
	${{ runner.os }}-cargo-
	- name: 🔨 Build
	run: cargo build
	- name: 🧪 Test
	run: cargo test
	- name: 🔎 Lint
	run: cargo clippy --no-deps
	- name: 📚 Generate Documentation
	run: cargo doc --no-deps --document-private-items
	env:
	RUSTDOCFLAGS: "-D warnings"

	format:
	runs-on: ubuntu-latest
	timeout-minutes: 5

	steps:
	- uses: actions/checkout@v3
	- name: 📦 Install nightly toolchain
	run: \|
	rustup toolchain install nightly
	rustup component add rustfmt --toolchain nightly
	- name: 🔎 Format using rustfmt
	run: cargo +nightly fmt --check

Provide feedback