zuzu-rust 0.4.0

Rust implementation of ZuzuScript
Documentation 
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from std/path/zz import ZZPath, ZZEvaluator;
from std/path/zz/functions import STANDARD_FUNCTIONS;
from std/path/zz/operators import Operator, STANDARD_OPERATORS;
from std/path/z import ZPath;
from test/more import *;

ok( typeof ZZPath eq "Class", "ZZPath class is importable" );
ok( typeof ZZEvaluator eq "Class", "ZZEvaluator class is importable" );
ok( typeof Operator eq "Class", "ZZPath Operator class is importable" );
ok( typeof STANDARD_OPERATORS eq "Array", "ZZPath operator table is importable" );
ok( typeof STANDARD_FUNCTIONS eq "Array", "ZZPath function table is importable" );
ok( STANDARD_OPERATORS.length() > 0, "ZZPath operator table has phase operators" );
is( STANDARD_FUNCTIONS.length(), 59, "ZZPath function table has initial functions" );

let data := {
	users: [
		{ name: "Ada", age: 32 },
		{ name: "Bob", age: 27 },
	],
};

let zp := new ZZPath( path: "/users/#0/name" );
ok( zp instanceof ZZPath, "compiled path is a ZZPath" );
ok( zp instanceof ZPath, "ZZPath inherits from ZPath" );
is( zp.first(data), "Ada", "ZZPath inherits first traversal" );
is( zp.query( data ).length(), 1, "ZZPath inherits query traversal" );

let ev := zp.get_evaluator();
ok( ev instanceof ZZEvaluator, "ZZPath uses ZZEvaluator" );
is(
	ev.operator_definitions(),
	STANDARD_OPERATORS,
	"ZZEvaluator uses std/path/zz operator table",
);
is(
	ev.function_definitions(),
	STANDARD_FUNCTIONS,
	"ZZEvaluator uses std/path/zz function table",
);

{
	ZZPath.use();
	is( data @ "/users/#1/name", "Bob", "ZZPath.use configures @ path operator" );
	is(
		( data @@ "/users/*/name" ).length(),
		2,
		"ZZPath.use configures @@ path operator",
	);
	ok( data @? "/users/#0/age", "ZZPath.use configures @? path operator" );
}

done_testing();