Rename `Fiber{}` to `Fiber.schedule{}`.

cont.c

@@ -2554,7 +2554,8 @@ Init_Cont(void)
     rb_define_method(rb_cFiber, "to_s", fiber_to_s, 0);
     rb_define_alias(rb_cFiber, "inspect", "to_s");
 
-    rb_define_global_function("Fiber", rb_f_fiber, -1);
+    rb_define_singleton_method(rb_cFiber, "schedule", rb_f_fiber, -1);
+    //rb_define_global_function("Fiber", rb_f_fiber, -1);
 
 #ifdef RB_EXPERIMENTAL_FIBER_POOL
     rb_cFiberPool = rb_define_class("Pool", rb_cFiber);

doc/fiber.rdoc

@@ -101,7 +101,7 @@ context switching points.
 We also introduce a new method which simplifies the creation of these
 non-blocking fibers:
 
-  Fiber do
+  Fiber.schedule do
     puts Fiber.current.blocking? # false
   end
 

test/fiber/test_enumerator.rb

@@ -24,12 +24,12 @@ class TestFiberEnumerator < Test::Unit::TestCase
 
       e = i.to_enum(:each_char)
 
-      Fiber do
+      Fiber.schedule do
         o.write("Hello World")
         o.close
       end
 
-      Fiber do
+      Fiber.schedule do
         begin
           while c = e.next
             message << c

test/fiber/test_io.rb

@@ -22,12 +22,12 @@ class TestFiberIO < Test::Unit::TestCase
       scheduler = Scheduler.new
       Thread.current.scheduler = scheduler
 
-      Fiber do
+      Fiber.schedule do
         message = i.read(20)
         i.close
       end
 
-      Fiber do
+      Fiber.schedule do
         o.write("Hello World")
         o.close
       end
@@ -50,12 +50,12 @@ class TestFiberIO < Test::Unit::TestCase
         scheduler = Scheduler.new
         Thread.current.scheduler = scheduler
 
-        Fiber do
+        Fiber.schedule do
           i.read(20)
           i.close
         end
 
-        Fiber do
+        Fiber.schedule do
           o.write("Hello World")
           o.close
         end

test/fiber/test_mutex.rb

@@ -10,7 +10,7 @@ class TestFiberMutex < Test::Unit::TestCase
       scheduler = Scheduler.new
       Thread.current.scheduler = scheduler
 
-      Fiber do
+      Fiber.schedule do
         assert_equal Thread.scheduler, scheduler
 
         mutex.synchronize do
@@ -29,7 +29,7 @@ class TestFiberMutex < Test::Unit::TestCase
       scheduler = Scheduler.new
       Thread.current.scheduler = scheduler
 
-      Fiber do
+      Fiber.schedule do
         assert_equal Thread.scheduler, scheduler
 
         mutex.synchronize do

test/fiber/test_scheduler.rb

@@ -6,7 +6,7 @@ class TestFiberScheduler < Test::Unit::TestCase
   def test_fiber_without_scheduler
     # Cannot create fiber without scheduler.
     assert_raise RuntimeError do
-      Fiber do
+      Fiber.schedule do
       end
     end
   end

test/fiber/test_sleep.rb

@@ -13,7 +13,7 @@ class TestFiberSleep < Test::Unit::TestCase
       Thread.current.scheduler = scheduler
 
       5.times do |i|
-        Fiber do
+        Fiber.schedule do
           assert_operator sleep(i/100.0), :>=, 0
           items << i
         end
@@ -34,7 +34,7 @@ class TestFiberSleep < Test::Unit::TestCase
     thread = Thread.new do
       scheduler = Scheduler.new
       Thread.current.scheduler = scheduler
-      Fiber do
+      Fiber.schedule do
         seconds = sleep(2)
       end
     end