fn main() {
	mut s := 'hello'
	s += ` `
	s += 'world'
	println(s)

	mut ascii := ''
	ascii += char(0x41)
	ascii += `B`
	println(ascii)

	println(char(0x41) + 'AAAAA')
	println('AAAAA' + char(0x41))
	println(`!` + 'abc')
	println('abc' + `!`)
}