Remove empty argument lists from do expressions

3 files changed, 8 insertions, 8 deletions

diff --git a/src/rustdoc/markdown_pass.rs b/src/rustdoc/markdown_pass.rs
index 7402bfa0dbb..79833f2c9ef 100644
--- a/src/rustdoc/markdown_pass.rs
+++ b/src/rustdoc/markdown_pass.rs
@@ -115,7 +115,7 @@ fn should_request_new_writer_for_each_page() {
     let doc = page_pass::mk_pass(config::doc_per_mod).f(srv, doc);
     write_markdown(doc, writer_factory);
     // We expect two pages to have been written
-    for iter::repeat(2u) || {
+    for iter::repeat(2u) {
         comm::recv(po);
     }
 }
@@ -146,7 +146,7 @@ fn should_write_title_for_each_page() {
         "#[link(name = \"core\")]; mod a { }");
     let doc = page_pass::mk_pass(config::doc_per_mod).f(srv, doc);
     write_markdown(doc, writer_factory);
-    for iter::repeat(2u) || {
+    for iter::repeat(2u) {
         let (page, markdown) = comm::recv(po);
         alt page {
           doc::cratepage(_) {
diff --git a/src/rustdoc/markdown_writer.rs b/src/rustdoc/markdown_writer.rs
index ee968174aa2..6c41f0923a5 100644
--- a/src/rustdoc/markdown_writer.rs
+++ b/src/rustdoc/markdown_writer.rs
@@ -101,14 +101,14 @@ fn pandoc_writer(
 
         let stdout_po = comm::port();
         let stdout_ch = comm::chan(stdout_po);
-        do task::spawn_sched(task::single_threaded) || {
+        do task::spawn_sched(task::single_threaded) {
             comm::send(stdout_ch, readclose(pipe_out.in));
         }
         let stdout = comm::recv(stdout_po);
 
         let stderr_po = comm::port();
         let stderr_ch = comm::chan(stderr_po);
-        do task::spawn_sched(task::single_threaded) || {
+        do task::spawn_sched(task::single_threaded) {
             comm::send(stderr_ch, readclose(pipe_err.in));
         }
         let stderr = comm::recv(stderr_po);
@@ -262,7 +262,7 @@ fn future_writer_factory(
     let writer_factory = fn~(page: doc::page) -> writer {
         let writer_po = comm::port();
         let writer_ch = comm::chan(writer_po);
-        do task::spawn || {
+        do task::spawn {
             let (writer, future) = future_writer();
             comm::send(writer_ch, writer);
             let s = future::get(future);
@@ -280,7 +280,7 @@ fn future_writer() -> (writer, future::future<str>) {
     let writer = fn~(+instr: writeinstr) {
         comm::send(chan, copy instr);
     };
-    let future = do future::from_fn || {
+    let future = do future::from_fn {
         let mut res = "";
         loop {
             alt comm::recv(port) {
diff --git a/src/rustdoc/rustdoc.rs b/src/rustdoc/rustdoc.rs
index 0d7f59e6b6d..c9c2bb8a7fd 100755
--- a/src/rustdoc/rustdoc.rs
+++ b/src/rustdoc/rustdoc.rs
@@ -35,7 +35,7 @@ fn run_passes(
         log(debug, #fmt("pass #%d", passno));
         passno += 1;
         log(debug, doc);
-        do time(pass.name) || {
+        do time(pass.name) {
             pass.f(srv, doc)
         }
     }
@@ -130,7 +130,7 @@ fn run(config: config::config) {
 
     let source_file = config.input_crate;
     do astsrv::from_file(source_file) |srv| {
-        do time("wait_ast") || {
+        do time("wait_ast") {
             do astsrv::exec(srv) |_ctxt| { }
         };
         let doc = time("extract", || {