Add `TryExtend` trait #6889

	name: gh-pages

	on:
	push:
	branches:
	- main
	pull_request:
	release:
	types: [published]

	concurrency:
	group: ${{ github.workflow }}-${{ github.event.pull_request.number \|\| github.sha }}
	cancel-in-progress: true

	env:
	CARGO_TERM_COLOR: always

	jobs:
	guide-build:
	runs-on: ubuntu-latest
	outputs:
	tag_name: ${{ steps.prepare_tag.outputs.tag_name }}
	steps:
	- uses: actions/checkout@v4
	- uses: actions/setup-python@v5
	with:
	python-version: '3.12'
	- uses: dtolnay/rust-toolchain@nightly

	- name: Setup mdBook
	uses: taiki-e/install-action@v2
	with:
	tool: mdbook,lychee

	- name: Prepare tag
	id: prepare_tag
	run: \|
	TAG_NAME="${GITHUB_REF##*/}"
	echo "::set-output name=tag_name::${TAG_NAME}"

	# This builds the book in target/guide/.
	- name: Build the guide
	run: \|
	python -m pip install --upgrade pip && pip install nox
	nox -s check-guide
	env:
	PYO3_VERSION_TAG: ${{ steps.prepare_tag.outputs.tag_name }}

	- name: Deploy docs and the guide
	if: ${{ github.event_name == 'release' }}
	uses: peaceiris/actions-gh-pages@v4
	with:
	github_token: ${{ secrets.GITHUB_TOKEN }}
	publish_dir: ./target/guide/
	destination_dir: ${{ steps.prepare_tag.outputs.tag_name }}
	full_commit_message: "Upload documentation for ${{ steps.prepare_tag.outputs.tag_name }}"

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