const std = @import( "std" );
const print = std.debug.print;

var alpha :usize = 0;
// .. so it seems root-mutable state is allowed..

beta :usize = 0,
// because beta is an instance method,
// but alpha is "root", not "global" (not `pub`)

pub var gamma :usize = 0;
// gamma is global-mutable-state, with no instances.

pub fn main() !void {
	print( "hello world\n", .{} );
	for( 0..10 ) |i| {
		alpha += 1;
		print( "alpha: {d}, i: {d}\n", .{ alpha, i } );
	}
}

pub fn print_beta( this :@This() ) void {
	print( "beta: {d}\n", .{ this.beta } );
}

pub fn print_gamma() void {
	print( "gamma: {d}\n", .{ gamma } );
}