Declare saveIndex/loadIndex as templates to use custom streams #343

	name: HNSW CI

	on: [push, pull_request]

	jobs:
	test_python:
	runs-on: ${{matrix.os}}
	strategy:
	matrix:
	os: [ubuntu-latest, windows-latest, macos-latest]
	python-version: ["3.7", "3.8", "3.9", "3.10"]
	steps:
	- uses: actions/checkout@v3
	- uses: actions/setup-python@v4
	with:
	python-version: ${{ matrix.python-version }}

	- name: Build and install
	run: python -m pip install .

	- name: Test
	timeout-minutes: 15
	run: \|
	python -m unittest discover -v --start-directory examples/python --pattern "example*.py"
	python -m unittest discover -v --start-directory tests/python --pattern "bindings_test*.py"

	test_cpp:
	runs-on: ${{matrix.os}}
	strategy:
	matrix:
	os: [ubuntu-latest, windows-latest, macos-latest]
	steps:
	- uses: actions/checkout@v3
	- uses: actions/setup-python@v4
	with:
	python-version: "3.10"

	- name: Build
	run: \|
	mkdir build
	cd build
	cmake ..
	if [ "$RUNNER_OS" == "Windows" ]; then
	cmake --build ./ --config Release
	else
	make
	fi
	shell: bash

	- name: Prepare test data
	run: \|
	pip install numpy
	cd tests/cpp/
	python update_gen_data.py
	shell: bash

	- name: Test
	timeout-minutes: 15
	run: \|
	cd build
	if [ "$RUNNER_OS" == "Windows" ]; then
	cp ./Release/* ./
	fi
	./example_search
	./example_filter
	./example_replace_deleted
	./example_mt_search
	./example_mt_filter
	./example_mt_replace_deleted
	./example_multivector_search
	./example_epsilon_search
	./searchKnnCloserFirst_test
	./searchKnnWithFilter_test
	./multiThreadLoad_test
	./multiThread_replace_test
	./test_updates
	./test_updates update
	./multivector_search_test
	./epsilon_search_test
	shell: bash

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