Represents a YAML
stream. This is the root node for any YAML
parse tree. This node must have one or more child nodes. The only valid child node for a Psych::Nodes::Stream
node is Psych::Nodes::Document
.
File-based session storage class.
Implements session storage as a flat file of ‘key=value’ values. This storage type only works directly with String
values; the user is responsible for converting other types to Strings when storing and from Strings when retrieving.
Dummy session storage class.
Implements session storage place holder. No actual storage will be done.
PStore-based session storage class.
This builds upon the top-level PStore
class provided by the library file pstore.rb. Session
data is marshalled and stored in a file. File
locking and transaction services are provided.
Tokens where state should be ignored used for :on_comment, :on_heredoc_end, :on_embexpr_end
Used Internally. Wraps a Dependency object to also track which spec contained the Dependency.
A VendorSpecification
represents a gem that has been unpacked into a project and is being loaded through a gem dependencies file through the path:
option.
For detail, see the MSDN.
— HKEY_*
Predefined key ((*handle*)). These are Integer, not Win32::Registry.
— REG_*
Registry value type.
— KEY_*
Security access mask.
— KEY_OPTIONS_*
Key options.
If the key is created newly or opened existing key. See also Registry#disposition method.
Converts Ruby
link flags into something cargo understands
Indicates a problem with the DNS
request.
IO
wrapper that allows writing a limited amount of data
Continuation
objects are generated by Kernel#callcc
, after having +require+d continuation. They hold a return address and execution context, allowing a nonlocal return to the end of the callcc
block from anywhere within a program. Continuations are somewhat analogous to a structured version of C’s setjmp/longjmp
(although they contain more state, so you might consider them closer to threads).
For instance:
require "continuation" arr = [ "Freddie", "Herbie", "Ron", "Max", "Ringo" ] callcc{|cc| $cc = cc} puts(message = arr.shift) $cc.call unless message =~ /Max/
produces:
Freddie Herbie Ron Max
Also you can call callcc in other methods:
require "continuation" def g arr = [ "Freddie", "Herbie", "Ron", "Max", "Ringo" ] cc = callcc { |cc| cc } puts arr.shift return cc, arr.size end def f c, size = g c.call(c) if size > 1 end f
This (somewhat contrived) example allows the inner loop to abandon processing early:
require "continuation" callcc {|cont| for i in 0..4 print "#{i}: " for j in i*5...(i+1)*5 cont.call() if j == 17 printf "%3d", j end end } puts
produces:
0: 0 1 2 3 4 1: 5 6 7 8 9 2: 10 11 12 13 14 3: 15 16
An error class raised when dynamic parts are found while computing a constant path’s full name. For example: Foo::Bar::Baz -> does not raise because all parts of the constant path are simple constants var::Bar::Baz -> raises because the first part of the constant path is a local variable