use isize/usize for Go int/uint #374

	name: CI

	on:
	push:
	branches: [master]
	pull_request:
	branches: [master]

	jobs:
	build:
	strategy:
	matrix:
	os:
	- name: ubuntu-latest
	- name: macos-latest
	- name: windows-latest
	runs-on: ${{ matrix.os.name }}

	steps:
	- name: Install Go
	uses: actions/setup-go@v2
	with:
	go-version: "^1.17.8"

	- name: Install V
	uses: vlang/setup-v@v1

	- name: Get go2v
	uses: actions/checkout@v2

	- name: Check GO env variables
	run: go env && v -e 'import os; os.getenv("PATH").split(os.path_delimiter).map(dump(it))'

	- name: Check code formatting
	run: \|
	v fmt -diff .
	v fmt -verify .

	- name: Build go2v
	run: v .

	- name: Run tests
	run: v -g run .

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