zuzu-rust 0.2.0

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

requires_capability( "fs" );

from std/io import *;

is( STDOUT can "print", 1, "STDOUT exports print", );
is( STDOUT can "say", 1, "STDOUT exports say", );
is( STDERR can "print", 1, "STDERR exports print", );
is( STDERR can "say", 1, "STDERR exports say", );
is( STDIN can "next_line", 1, "STDIN exports next_line", );
is( STDIN can "each_line", 1, "STDIN exports each_line", );

let file := Path.tempfile();
let dir := Path.tempdir();
is( ( new Path( path: file.to_String() ) ).to_String(), file.to_String(), "Path constructor accepts named path", );
file.spew_utf8("one\ntwo\n");
ok( dir.child("made").mkdir(), "mkdir creates directories", );
ok( dir.child("made").is_dir(), "mkdir result is a directory", );
ok(
	dir.child("exclusive").mkdir_exclusive(),
	"mkdir_exclusive creates one directory",
);
is(
	dir.child("exclusive").mkdir_exclusive(),
	false,
	"mkdir_exclusive returns false for existing path",
);
dir.child("a.txt").touchpath();
dir.child("b.txt").spew_utf8("x\n");
is( file.is_absolute(), 1, "tempfile absolute", );
let lines := [];
file.each_line( function(line) {
	lines.push(line);
}
);
is( lines.length(), 2, "each_line count", );
is( lines[0], "one\n", "each_line keeps newline", );
is( file.next_line(), "one\n", "next_line first", );
is( file.next_line(), "two\n", "next_line second", );
is( file.next_line(), null, "next_line eof", );
let children := dir.children();
is( children.length() >= 2, 1, "children returns directory entries", );
let iter := dir.iterator();
let seen := 0;
while ( iter.next() ≢ null ) {
	seen++;
}
is( seen >= 2, 1, "iterator yields directory entries", );
let joined := Path.join( [ dir.to_String(), "sub", "file.txt" ] );
is( joined.basename(), "file.txt", "Path.join returns composed path", );
let parts := Path.split( joined.to_String() );
is( parts.length() >= 3, 1, "Path.split returns path components", );
let normalized := Path.normalize( dir.child(".").child("a.txt").to_String() );
is( normalized.basename(), "a.txt", "Path.normalize canonicalizes dotted paths", );
let globbed := Path.glob( dir.to_String() _ "/*.txt" );
is( globbed.length() >= 2, 1, "Path.glob finds files", );
done_testing();