Fix return value of `Write::write` impl for `Pipe` #5

	name: CI
	on:
	pull_request:
	push:

	jobs:
	test:
	name: Test
	strategy:
	matrix:
	os: ["ubuntu-latest", "windows-latest", "macos-latest"]
	rust: ["stable", "1.58"]
	runs-on: ${{ matrix.os }}
	steps:
	- name: Checkout repository
	uses: actions/checkout@v3
	- name: Install Rust
	uses: dtolnay/rust-toolchain@master
	with:
	toolchain: ${{ matrix.rust }}
	- name: Build
	run: cargo build
	- name: Build examples
	run: cargo build --examples
	- name: Install faketty
	if: matrix.rust == 'stable' && matrix.os != 'windows-latest'
	run: \|
	cargo install faketty
	echo "fake_tty=faketty" >> $GITHUB_ENV
	- name: Test
	if: env.fake_tty \|\| matrix.os == 'windows-latest'
	run: ${{ env.fake_tty }} cargo test --workspace

	fmt:
	name: rustfmt
	runs-on: ubuntu-latest
	steps:
	- name: Checkout source
	uses: actions/checkout@v3
	- name: Install Rust
	uses: dtolnay/rust-toolchain@stable
	with:
	components: rustfmt
	- name: Run rustfmt check
	run: cargo fmt --check

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