class Gem::Resolver::RequirementList
The RequirementList
is used to hold the requirements being considered while resolving a set of gems.
The RequirementList
acts like a queue where the oldest items are removed first.
Public Class Methods
new()
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Creates a new RequirementList
.
# File rubygems/resolver/requirement_list.rb, line 16 def initialize @exact = [] @list = [] end
Public Instance Methods
add(req)
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Adds Resolver::DependencyRequest req
to this requirements list.
# File rubygems/resolver/requirement_list.rb, line 29 def add(req) if req.requirement.exact? @exact.push req else @list.push req end req end
empty?()
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Is the list empty?
# File rubygems/resolver/requirement_list.rb, line 63 def empty? @exact.empty? && @list.empty? end
next5()
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Returns the oldest five entries from the list.
# File rubygems/resolver/requirement_list.rb, line 78 def next5 x = @exact[0,5] x + @list[0,5 - x.size] end
remove()
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Remove the oldest DependencyRequest from the list.
# File rubygems/resolver/requirement_list.rb, line 70 def remove return @exact.shift unless @exact.empty? @list.shift end
size()
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How many elements are in the list
# File rubygems/resolver/requirement_list.rb, line 56 def size @exact.size + @list.size end