add keep() function to builder that suppresses delete-on-drop behavior #244

	on:
	push:
	branches:
	- master
	pull_request:
	branches:
	- master

	name: CI
	jobs:
	deny:
	name: Cargo deny
	strategy:
	matrix:
	os:
	- ubuntu-latest
	runs-on: ${{ matrix.os }}
	steps:
	- uses: actions/checkout@v4
	- uses: EmbarkStudios/cargo-deny-action@v2
	timeout-minutes: 10

	build_and_test:
	name: OS Test
	strategy:
	fail-fast: false
	matrix:
	rust-version:
	- nightly
	- stable
	- "1.63"
	os:
	- ubuntu-latest
	- windows-latest
	- macos-latest
	runs-on: ${{ matrix.os }}
	steps:
	- name: Checkout
	uses: actions/checkout@v4
	- name: Install Rust
	uses: dtolnay/rust-toolchain@master
	with:
	toolchain: ${{ matrix.rust-version }}
	- name: Build
	run: cargo build
	- name: Test
	run: cargo test
	wasi:
	name: WASI Test Build
	runs-on: ubuntu-latest
	steps:
	- name: Checkout
	uses: actions/checkout@v4
	- name: Install Rust
	uses: dtolnay/rust-toolchain@nightly
	- name: Install Cargo WASI
	run: cargo install cargo-wasi
	- name: Build
	run: cargo wasi build --features nightly
	wasm:
	name: WASM Test Build
	runs-on: ubuntu-latest
	steps:
	- name: Checkout
	uses: actions/checkout@v4
	- name: Install Rust
	uses: dtolnay/rust-toolchain@stable
	with:
	targets: wasm32-unknown-unknown
	- name: Build
	run: cargo build --target wasm32-unknown-unknown
	lint:
	name: Clippy and fmt
	runs-on: ubuntu-latest
	steps:
	- name: Checkout
	uses: actions/checkout@v4
	- name: Install Rust
	uses: dtolnay/rust-toolchain@stable
	with:
	components: clippy, rustfmt
	- name: Check formatting
	run: cargo fmt --check
	- name: Check for clippy lints
	run: cargo clippy

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