Introduce iterator.peekable() #561

	name: CI

	on:
	push:
	branches: [ main ]
	pull_request:

	env:
	CARGO_TERM_COLOR: always

	jobs:
	build_and_test:
	strategy:
	matrix:
	os: [macos-12, ubuntu-22.04, windows-2022]

	runs-on: ${{ matrix.os }}

	steps:
	- uses: actions/checkout@v2

	- uses: actions-rs/toolchain@v1
	with:
	profile: minimal
	toolchain: stable

	- name: Build
	run: cargo build --workspace --verbose

	- name: Run tests
	run: cargo test --workspace --verbose

	- name: Run poetry example
	run: cargo run --example poetry -- -s examples/poetry/scripts/readme.koto

	code_checks:
	runs-on: ubuntu-latest

	steps:
	- uses: actions/checkout@v2

	- uses: actions-rs/toolchain@v1
	with:
	profile: minimal
	toolchain: stable
	components: rustfmt, clippy

	- name: Check formatting
	run: cargo fmt --all -- --check

	- name: Clippy
	run: cargo clippy --all-targets --all-features -- -D warnings

	- name: Docs
	run: cargo doc --workspace --exclude koto_cli
	env:
	RUSTDOCFLAGS: -Dwarnings

	wasm:
	runs-on: ubuntu-latest

	steps:
	- uses: actions/checkout@v2

	- uses: actions-rs/toolchain@v1
	with:
	profile: minimal
	toolchain: stable

	- uses: jetli/[email protected]
	with:
	version: v0.10.3

	- name: Run wasm example tests
	run: cd examples/wasm && wasm-pack test --node

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