zuzu-rust 0.1.1

Rust implementation of ZuzuScript
Documentation 
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from std/eval import eval;
from test/more import *;

let syntax_error := exception( function () {
	eval("let := ;");
} );
ok(
	syntax_error instanceof Exception,
	"eval syntax errors are catchable as Exception",
);
like(
	syntax_error{message},
	/Expected/,
	"eval syntax error exposes message",
);
is(
	syntax_error{file},
	"<std/eval>",
	"eval syntax error exposes eval filename",
);
is(
	syntax_error{line},
	1,
	"eval syntax error exposes source line",
);
like(
	syntax_error{code},
	/^E_COMPILE_/,
	"eval syntax error exposes compile code",
);

let type_error := exception( function () {
	eval("let Number n := \"text\";");
} );
ok(
	type_error instanceof TypeException,
	"eval runtime type errors keep TypeException class",
);
like(
	type_error{message},
	/(TypeException: )?'n' must be Number, got String/,
	"eval runtime type error exposes message",
);

let named_error := exception( function () {
	eval( "true;", deny_unknown: true );
} );
ok(
	named_error instanceof Exception,
	"eval named argument errors are catchable as Exception",
);
like(
	named_error{message},
	/Unknown named argument 'deny_unknown' for eval/,
	"eval named argument error exposes message",
);

done_testing();