Add into_fragment() and into_fragment_and_extra() #39

	name: CI

	on: [push, pull_request]

	env:
	RUST_MINVERSION: 1.48.0

	jobs:
	test:
	name: Test
	runs-on: ubuntu-latest

	strategy:
	matrix:
	rust:
	- stable
	- beta
	- nightly
	- 1.48.0

	features:
	- ''
	- '--features alloc --no-default-features'
	- '--no-default-features'

	steps:
	- name: Checkout sources
	uses: actions/checkout@v2

	- name: Install rust (${{ matrix.rust }})
	uses: actions-rs/toolchain@v1
	with:
	toolchain: ${{ matrix.rust }}
	profile: minimal
	override: true

	- name: Build
	uses: actions-rs/cargo@v1
	with:
	command: build
	args: --verbose ${{ matrix.features }}

	- name: Test
	uses: actions-rs/cargo@v1
	with:
	command: test
	args: --verbose ${{ matrix.features }}

	- name: Doc
	uses: actions-rs/cargo@v1
	with:
	command: doc
	args: --verbose ${{ matrix.features }}

	fmt:
	name: Check formatting
	runs-on: ubuntu-latest

	steps:
	- name: Checkout sources
	uses: actions/checkout@v2

	- name: Install rust
	uses: actions-rs/toolchain@v1
	with:
	toolchain: stable
	components: rustfmt
	profile: minimal
	override: true

	- name: cargo fmt -- --check
	uses: actions-rs/cargo@v1
	with:
	command: fmt
	args: -- --check

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