Results for: "module_function"

Copy a RegularExpressionNode node

Compile a RationalNode node

Dispatch enter and leave events for RationalNode nodes and continue walking the tree.

Inspect a RationalNode node.

Copy a RationalNode node

Add the –prerelease option to the option parser.

Marshal dumps exit locations to the given filename.

Usage:

If --yjit-exit-locations is passed, a file named “yjit_exit_locations.dump” will automatically be generated.

If you want to collect traces manually, call dump_exit_locations directly.

Note that calling this in a script will generate stats after the dump is created, so the stats data may include exits from the dump itself.

In a script call:

at_exit do
  RubyVM::YJIT.dump_exit_locations("my_file.dump")
end

Then run the file with the following options:

ruby --yjit --yjit-trace-exits test.rb

Once the code is done running, use Stackprof to read the dump file. See Stackprof documentation for options.

The current session cache mode.

Sets the SSL session cache mode. Bitwise-or together the desired SESSION_CACHE_* constants to set. See SSL_CTX_set_session_cache_mode(3) for details.

Like Enumerable#map, but chains operation to be lazy-evaluated.

(1..Float::INFINITY).lazy.map {|i| i**2 }
#=> #<Enumerator::Lazy: #<Enumerator::Lazy: 1..Infinity>:map>
(1..Float::INFINITY).lazy.map {|i| i**2 }.first(3)
#=> [1, 4, 9]

Like Enumerable#select, but chains operation to be lazy-evaluated.

Sets the encoding that should be used when reading the body:

• If the given value is an Encoding object, that encoding will be used.

• Otherwise if the value is a string, the value of Encoding#find(value) will be used.

• Otherwise an encoding will be deduced from the body itself.

Examples:

http = Net::HTTP.new(hostname)
req = Net::HTTP::Get.new('/')

http.request(req) do |res|
  p res.body.encoding # => #<Encoding:ASCII-8BIT>
end

http.request(req) do |res|
  res.body_encoding = "UTF-8"
  p res.body.encoding # => #<Encoding:UTF-8>
end

Removes the named instance variable from obj, returning that variable’s value. The name can be passed as a symbol or as a string.

class Dummy
  attr_reader :var
  def initialize
    @var = 99
  end
  def remove
    remove_instance_variable(:@var)
  end
end
d = Dummy.new
d.var      #=> 99
d.remove   #=> 99
d.var      #=> nil

Defines a public singleton method in the receiver. The method parameter can be a Proc, a Method or an UnboundMethod object. If a block is specified, it is used as the method body. If a block or a method has parameters, they’re used as method parameters.

class A
  class << self
    def class_name
      to_s
    end
  end
end
A.define_singleton_method(:who_am_i) do
  "I am: #{class_name}"
end
A.who_am_i   # ==> "I am: A"

guy = "Bob"
guy.define_singleton_method(:hello) { "#{self}: Hello there!" }
guy.hello    #=>  "Bob: Hello there!"

chris = "Chris"
chris.define_singleton_method(:greet) {|greeting| "#{greeting}, I'm Chris!" }
chris.greet("Hi") #=> "Hi, I'm Chris!"