eholk

    fn recv() -> T {
        match move self.try_recv() {
            some(x) { move x }
            none { fail ~"port_set: endpoints closed" }
        }
    }

eholk

Manually expanded:

rust: ~"(resolving item in lexical scope) resolving `next` in namespace 2 in `<opaque>`"
rust: ~"(resolving name in module) resolving `next` in `???`"
rust: ~"(resolving name in module) failed to resolve next"
rust: ~"(resolving item in lexical scope) unresolved module"
rust: ~"(resolving pattern) binding `next`"
rust: ~"(recording def) recording def_binding(92, 1) for 92"

eholk

    select! {
        foo => {
            do_foo -> _next {
            }
        }

        bar => {
            do_bar(x) -> _next {
                debug!(x)
            }

eholk

// Protocols
proto! foo {
    foo:recv {
        do_foo -> foo
    }
}

proto! bar {
    bar:recv {
        do_bar(int) -> barbar,

eholk

[host-7-102:build eholk]$ ./x86_64-apple-darwin/stage1/bin/rustc -o test ../src/test/run-pass/pipe-select-macro.rs
~(~[(match_seq(~[(match_nonterminal(@~"lhs", @~"matchers", 0), (0, 0, none)), (match_tok(FAT_ARROW), (0, 0, none)), (match_nonterminal(@~"rhs", @~"tt", 1), (0, 0, none))], some(SEMI), 0, 0, 2), (0, 0, none)), (match_seq(~[(match_tok(SEMI), (0, 0, none))], none, 1, 2, 2), (0, 0, none))], none, 0, matcher_pos_up(none), ~[dvec_((~[])), dvec_((~[]))], 0, 2, 327)
~(~[(match_nonterminal(@~"lhs", @~"matchers", 0), (0, 0, none)), (match_tok(FAT_ARROW), (0, 0, none)), (match_nonterminal(@~"rhs", @~"tt", 1), (0, 0, none))], some(SEMI), 0, matcher_pos_up(some(~(~[(match_seq(~[(match_nonterminal(@~"lhs", @~"matchers", 0), (0, 0, none)), (match_tok(FAT_ARROW), (0, 0, none)), (match_nonterminal(@~"rhs", @~"tt", 1), (0, 0, none))], some(SEMI), 0, 0, 2), (0, 0, none)), (match_seq(~[(match_tok(SEMI), (0, 0, none))], none, 1, 2, 2), (0, 0, none))], none, 0, matcher_pos_up(none), ~[dvec_((~[])), dvec_((~[]))], 0, 2

eholk

fn draw_frame(+channel: double_buffer::client::acquire) {
    let channel = request(channel);
    select! {
        channel => {
            give_buffer(buffer) -> channel {
                render(&buffer);
                release(channel, move buffer)
            }
        }
    };

eholk

macro_rules! select_if {
    {
        $index:expr,
        $count:expr,
        $port:path => [
            $($message:path$(($($x: ident),+))dont_type_this*
              -> $next:ident $e:expr),+
        ],
        $( $ports:path => [
            $($messages:path$(($($xs: ident),+))dont_type_this*

eholk

macro_rules! html {
    { $($body:tt)* } => {
        let builder = HTMLBuilder();
        build_html!{builder := $($body)*};
        builder.getDoc()
    }
}

macro_rules! build_html {
    { $builder:expr := </$tag:ident> $($rest:tt)* } => {

eholk

macro_rules! html {
    { $($body:tt)* } => (
        parse_node!( []; []; $($body)* )
    )
}

macro_rules! parse_node {
    {
        [:$head:ident ($(:$head_nodes:expr),*)
         $(:$tags:ident ($(:$tag_nodes:expr),*))*];

eholk

((lambda (_.0)
     (list
       (_.0 (list))
       (list 'lambda '(_.1) (list 'quote (_.0 (list))))))
    (lambda (_.1)
      '(lambda (_.0)
         (list
           (_.0 (list))
           (list 'lambda '(_.1) (list 'quote (_.0 (list))))))))