Move task::task() to TaskBuilder::new()

The constructor for `TaskBuilder` is being changed to an associated
function called `new` for consistency with the rest of the standard
library.

Closes #13666

[breaking-change]

src/test/bench/msgsend-pipes-shared.rs

@@ -23,6 +23,7 @@ extern crate time;
 use std::comm;
 use std::os;
 use std::task;
+use std::task::TaskBuilder;
 use std::uint;
 
 fn move_out<T>(_x: T) {}
@@ -62,7 +63,7 @@ fn run(args: &[~str]) {
     let mut worker_results = Vec::new();
     for _ in range(0u, workers) {
         let to_child = to_child.clone();
-        let mut builder = task::task();
+        let mut builder = TaskBuilder::new();
         worker_results.push(builder.future_result());
         builder.spawn(proc() {
             for _ in range(0u, size / workers) {

src/test/bench/msgsend-pipes.rs

@@ -18,6 +18,7 @@ extern crate time;
 
 use std::os;
 use std::task;
+use std::task::TaskBuilder;
 use std::uint;
 
 fn move_out<T>(_x: T) {}
@@ -56,7 +57,7 @@ fn run(args: &[~str]) {
     let mut worker_results = Vec::new();
     let from_parent = if workers == 1 {
         let (to_child, from_parent) = channel();
-        let mut builder = task::task();
+        let mut builder = TaskBuilder::new();
         worker_results.push(builder.future_result());
         builder.spawn(proc() {
             for _ in range(0u, size / workers) {
@@ -70,7 +71,7 @@ fn run(args: &[~str]) {
         let (to_child, from_parent) = channel();
         for _ in range(0u, workers) {
             let to_child = to_child.clone();
-            let mut builder = task::task();
+            let mut builder = TaskBuilder::new();
             worker_results.push(builder.future_result());
             builder.spawn(proc() {
                 for _ in range(0u, size / workers) {

src/test/bench/shootout-pfib.rs

@@ -24,6 +24,7 @@ extern crate time;
 use std::os;
 use std::result::{Ok, Err};
 use std::task;
+use std::task::TaskBuilder;
 use std::uint;
 
 fn fib(n: int) -> int {
@@ -77,7 +78,7 @@ fn stress_task(id: int) {
 fn stress(num_tasks: int) {
     let mut results = Vec::new();
     for i in range(0, num_tasks) {
-        let mut builder = task::task();
+        let mut builder = TaskBuilder::new();
         results.push(builder.future_result());
         builder.spawn(proc() {
             stress_task(i);

src/test/run-fail/fail-task-name-owned.rs

@@ -10,10 +10,10 @@
 
 // error-pattern:task 'owned name' failed at 'test'
 
-use std::task;
+use std::task::TaskBuilder;
 
 fn main() {
-    task::task().named("owned name".to_owned()).try(proc() {
+    TaskBuilder::new().named("owned name".to_owned()).try(proc() {
         fail!("test");
         1
     }).unwrap()

src/test/run-fail/fail-task-name-send-str.rs

@@ -11,7 +11,7 @@
 // error-pattern:task 'send name' failed at 'test'
 
 fn main() {
-    ::std::task::task().named("send name".into_maybe_owned()).try(proc() {
+    ::std::task::TaskBuilder::new().named("send name".into_maybe_owned()).try(proc() {
         fail!("test");
         3
     }).unwrap()

src/test/run-fail/fail-task-name-static.rs

@@ -11,7 +11,7 @@
 // error-pattern:task 'static name' failed at 'test'
 
 fn main() {
-    ::std::task::task().named("static name").try(proc() {
+    ::std::task::TaskBuilder::new().named("static name").try(proc() {
         fail!("test");
     }).unwrap()
 }

src/test/run-pass/issue-2190-1.rs

@@ -8,12 +8,12 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-use std::task;
+use std::task::TaskBuilder;
 
 static generations: uint = 1024+256+128+49;
 
 fn spawn(f: proc():Send) {
-    let mut t = task::task();
+    let mut t = TaskBuilder::new();
     t.opts.stack_size = Some(32 * 1024);
     t.spawn(f);
 }

src/test/run-pass/spawning-with-debug.rs

@@ -13,9 +13,9 @@
 
 // regression test for issue #10405, make sure we don't call println! too soon.
 
-use std::task;
+use std::task::TaskBuilder;
 
 pub fn main() {
-    let mut t = task::task();
+    let mut t = TaskBuilder::new();
     t.spawn(proc() ());
 }

src/test/run-pass/task-comm-12.rs

@@ -9,6 +9,7 @@
 // except according to those terms.
 
 use std::task;
+use std::task::TaskBuilder;
 
 pub fn main() { test00(); }
 
@@ -16,7 +17,7 @@ fn start(_task_number: int) { println!("Started / Finished task."); }
 
 fn test00() {
     let i: int = 0;
-    let mut builder = task::task();
+    let mut builder = TaskBuilder::new();
     let mut result = builder.future_result();
     builder.spawn(proc() {
         start(i)

src/test/run-pass/task-comm-3.rs

@@ -9,7 +9,7 @@
 // except according to those terms.
 
 
-use std::task;
+use std::task::TaskBuilder;
 
 pub fn main() { println!("===== WITHOUT THREADS ====="); test00(); }
 
@@ -38,7 +38,7 @@ fn test00() {
     let mut results = Vec::new();
     while i < number_of_tasks {
         let tx = tx.clone();
-        let mut builder = task::task();
+        let mut builder = TaskBuilder::new();
         results.push(builder.future_result());
         builder.spawn({
             let i = i;

src/test/run-pass/task-comm-9.rs

@@ -9,7 +9,7 @@
 // except according to those terms.
 
 
-use std::task;
+use std::task::TaskBuilder;
 
 pub fn main() { test00(); }
 
@@ -24,7 +24,7 @@ fn test00() {
     let (tx, rx) = channel();
     let number_of_messages: int = 10;
 
-    let mut builder = task::task();
+    let mut builder = TaskBuilder::new();
     let result = builder.future_result();
     builder.spawn(proc() {
         test00_start(&tx, number_of_messages);

src/test/run-pass/tcp-stress.rs

@@ -22,7 +22,7 @@ extern crate rustuv;
 use std::io::net::ip::{Ipv4Addr, SocketAddr};
 use std::io::net::tcp::{TcpListener, TcpStream};
 use std::io::{Acceptor, Listener};
-use std::task;
+use std::task::TaskBuilder;
 
 #[start]
 fn start(argc: int, argv: **u8) -> int {
@@ -61,7 +61,7 @@ fn main() {
     let (tx, rx) = channel();
     for _ in range(0, 1000) {
         let tx = tx.clone();
-        let mut builder = task::task();
+        let mut builder = TaskBuilder::new();
         builder.opts.stack_size = Some(32 * 1024);
         builder.spawn(proc() {
             match TcpStream::connect(addr) {

src/test/run-pass/yield.rs

@@ -9,9 +9,10 @@
 // except according to those terms.
 
 use std::task;
+use std::task::TaskBuilder;
 
 pub fn main() {
-    let mut builder = task::task();
+    let mut builder = TaskBuilder::new();
     let mut result = builder.future_result();
     builder.spawn(child);
     println!("1");

src/test/run-pass/yield1.rs

@@ -9,9 +9,10 @@
 // except according to those terms.
 
 use std::task;
+use std::task::TaskBuilder;
 
 pub fn main() {
-    let mut builder = task::task();
+    let mut builder = TaskBuilder::new();
     let mut result = builder.future_result();
     builder.spawn(child);
     println!("1");