File: take_clause.rb

package info (click to toggle)
ruby-concurrent 1.1.6%2Bdfsg-5
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 30,284 kB
  • sloc: ruby: 30,875; java: 6,117; javascript: 1,114; ansic: 288; makefile: 10; sh: 6
file content (24 lines) | stat: -rw-r--r-- 446 bytes parent folder | download | duplicates (5) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
 
require 'concurrent/maybe'

module Concurrent
  class Channel
    class Selector

      class TakeClause

        def initialize(channel, block)
          @channel = channel
          @block = block
        end

        def execute
          if (result = @channel.poll?).just?
            Concurrent::Maybe.just(@block.call(result.value))
          else
            Concurrent::Maybe.nothing
          end
        end
      end
    end
  end
end