zuzu-rust 0.6.0

Rust implementation of ZuzuScript
Documentation 
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from std/template/z import ZTemplate;
from std/template/zz import ZZTemplate;
from test/more import *;

ok( typeof ZZTemplate eq "Class", "ZZTemplate class is importable" );

let tmpl := new ZZTemplate( string: "Hello {{ name }}!" );
ok( tmpl instanceof ZZTemplate, "constructed template is a ZZTemplate" );
ok( tmpl instanceof ZTemplate, "ZZTemplate subclasses ZTemplate" );
is(
	tmpl.process( { name: "Ada" } ),
	"Hello Ada!",
	"ZZTemplate inherits basic template rendering",
);

let elvis := new ZZTemplate( string: "{{ zero ?: fallback }}" );
is(
	elvis.process( { zero: 0, fallback: "fallback" } ),
	"0",
	"ZZTemplate expressions preserve defined falsey values with ZZPath Elvis",
);

let null_elvis := new ZZTemplate( string: "{{ missing ?: fallback }}" );
is(
	null_elvis.process( { missing: null, fallback: "fallback" } ),
	"fallback",
	"ZZTemplate expressions use ZZPath Elvis fallback for null",
);

let function_template := new ZZTemplate(
	string: "{{# users/*[contains(name, \"a\")] }}{{ name }};{{/users/*[contains(name, \"a\")] }}",
);
is(
	function_template.process( {
		users: [
			{ name: "Ada" },
			{ name: "Bob" },
			{ name: "Cara" },
		],
	} ),
	"Ada;Cara;",
	"ZZTemplate expressions use ZZPath functions",
);

done_testing();