uncomment some of the threads examples

they don't run yet because of some stack size thing

src/bin/std_arc.rs

@@ -1,6 +1,5 @@
 // ./src/std/arc.md
 
-/*
 use std::time::Duration;
 use std::sync::Arc;
 use std::thread;
@@ -24,9 +23,8 @@ fn part0() {
     // Make sure all Arc instances are printed from spawned threads.
     thread::sleep(Duration::from_secs(1));
 }
-*/
 
 pub fn main() {
-	// part0();
+	part0();
 }
 

src/bin/std_hash_alt_key_types.rs

@@ -1,6 +1,5 @@
 // ./src/std/hash/alt_key_types.md
 
-/*
 use std::collections::HashMap;
 
 // Eq requires that you derive PartialEq on the type.
@@ -56,9 +55,9 @@ fn part0(){
     try_logon(&accounts, "j.everyman", "psasword123");
 
     try_logon(&accounts, "j.everyman", "password123");
-}*/
-
-pub fn main() {
-	// part0();
+}
+
+pub fn main() {
+	part0();
 }
 

src/bin/std_misc_channels.rs

@@ -1,6 +1,5 @@
 // ./src/std_misc/channels.md
 
-/*
 use std::sync::mpsc::{Sender, Receiver};
 use std::sync::mpsc;
 use std::thread;
@@ -48,9 +47,8 @@ fn part0() {
     // Show the order in which the messages were sent
     println!("{:?}", ids);
 }
-*/
 
 pub fn main() {
-	// part0();
+	part0();
 }
 

src/bin/std_misc_process.rs

@@ -2,7 +2,7 @@
 
 
 use std::process::Command;
-/*
+
 fn part0() {
     let output = Command::new("rustc")
         .arg("--version")
@@ -19,9 +19,9 @@ fn part0() {
 
         print!("rustc failed and stderr was:\n{}", s);
     }
-}*/
-
-pub fn main() {
-	// part0();
+}
+
+pub fn main() {
+	part0();
 }
 

src/bin/std_misc_threads.rs

@@ -1,6 +1,5 @@
 // ./src/std_misc/threads.md
 
-/*
 use std::thread;
 
 const NTHREADS: u32 = 10;
@@ -21,9 +20,9 @@ fn part0() {
         // Wait for the thread to finish. Returns a result.
         let _ = child.join();
     }
-} */
-
-pub fn main() {
-	// part0();
+}
+
+pub fn main() {
+	part0();
 }
 

src/bin/std_misc_threads_testcase_mapreduce.rs

@@ -1,6 +1,5 @@
 // ./src/std_misc/threads/testcase_mapreduce.md
 
-/*
 use std::thread;
 
 // This is the `main` thread
@@ -92,10 +91,9 @@ fn part0() {
 
     println!("Final sum result: {}", final_result);
 }
-*/
 
 
 pub fn main() {
-	// part0();
+	part0();
 }