class Gem::Resolver::RequirementList

The RequirementList 用于在解析 gem 集合时保存正在考虑的需求。

The RequirementList 的行为类似于队列，最旧的项目会首先被移除。

Public Class Methods

Source

# File lib/rubygems/resolver/requirement_list.rb, line 16
def initialize
  @exact = []
  @list = []
end

创建一个新的 RequirementList。

Public Instance Methods

add (req)

Source

# File lib/rubygems/resolver/requirement_list.rb, line 29
def add(req)
  if req.requirement.exact?
    @exact.push req
  else
    @list.push req
  end
  req
end

将 Resolver::DependencyRequest req 添加到此需求列表中。

empty? ()

Source

# File lib/rubygems/resolver/requirement_list.rb, line 63
def empty?
  @exact.empty? && @list.empty?
end

列表是否为空？

next5 ()

Source

# File lib/rubygems/resolver/requirement_list.rb, line 78
def next5
  x = @exact[0,5]
  x + @list[0,5 - x.size]
end

返回列表中最旧的五个条目。

remove ()

Source

# File lib/rubygems/resolver/requirement_list.rb, line 70
def remove
  return @exact.shift unless @exact.empty?
  @list.shift
end

从列表中移除最旧的 DependencyRequest。

size ()

Source

# File lib/rubygems/resolver/requirement_list.rb, line 56
def size
  @exact.size + @list.size
end

列表中有多少个元素