build

Update workflow. #6

	name: build
	on:
	push:
	tags:
	- 'v[0-9]+.[0-9]+.[0-9]+'
	env:
	CARGO_TERM_COLOR: always
	jobs:
	msrv:
	runs-on: ubuntu-latest
	steps:
	- name: checkout
	uses: actions/checkout@v4
	- name: msrv
	run: \|
	msrv=$(cargo metadata --no-deps --format-version 1 \|
	jq --raw-output '.packages[] \| select(.name=="ndarray-histogram") \| .rust_version')
	echo "MSRV=$msrv" >> $GITHUB_ENV
	- name: toolchain
	uses: dtolnay/rust-toolchain@master
	with:
	toolchain: ${{ env.MSRV }}
	components: rustfmt, rust-docs, clippy
	- name: test
	run: cargo test
	- name: test-rayon
	run: cargo test --features rayon
	- name: clippy
	run: cargo clippy --all
	- name: doc
	run: cargo doc
	- name: doc-rayon
	run: cargo doc --features rayon
	- name: fmt
	run: cargo fmt --all --check
	nightly:
	runs-on: ubuntu-latest
	steps:
	- name: checkout
	uses: actions/checkout@v4
	- name: toolchain
	uses: dtolnay/rust-toolchain@master
	with:
	toolchain: nightly
	components: rustfmt, rust-docs, clippy, miri
	- name: test
	run: cargo test
	- name: test-rayon
	run: cargo test --features rayon
	- name: clippy
	run: cargo clippy --all
	- name: doc
	run: cargo doc
	env:
	RUSTDOCFLAGS: "--cfg docsrs"
	- name: doc-rayon
	run: cargo doc --features rayon
	env:
	RUSTDOCFLAGS: "--cfg docsrs"
	- name: fmt
	run: cargo fmt --all --check
	- name: miri
	run: cargo miri test

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