Class: Gem::Resolver::RequirementList
Relationships & Source Files | |
Super Chains via Extension / Inclusion / Inheritance | |
Instance Chain:
self,
Enumerable
|
|
Inherits: | Object |
Defined in: | lib/rubygems/resolver/requirement_list.rb |
Overview
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.
Class Method Summary
-
.new ⇒ RequirementList
constructor
Creates a new
RequirementList
.
Instance Attribute Summary
-
#empty? ⇒ Boolean
readonly
Is the list empty?
Instance Method Summary
-
#add(req)
Adds DependencyRequest
req
to this requirements list. -
#next5
Returns the oldest five entries from the list.
-
#remove
Remove the oldest DependencyRequest from the list.
-
#size
How many elements are in the list.
Constructor Details
.new ⇒ RequirementList
Creates a new RequirementList
.
# File 'lib/rubygems/resolver/requirement_list.rb', line 16
def initialize @exact = [] @list = [] end
Instance Attribute Details
#empty? ⇒ Boolean
(readonly)
Is the list empty?
# File 'lib/rubygems/resolver/requirement_list.rb', line 63
def empty? @exact.empty? && @list.empty? end
Instance Method Details
#add(req)
Adds DependencyRequest req
to this requirements list.
# 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
#next5
Returns the oldest five entries from the list.
# File 'lib/rubygems/resolver/requirement_list.rb', line 78
def next5 x = @exact[0,5] x + @list[0,5 - x.size] end
#remove
Remove the oldest DependencyRequest from the list.
# File 'lib/rubygems/resolver/requirement_list.rb', line 70
def remove return @exact.shift unless @exact.empty? @list.shift end
#size
How many elements are in the list
# File 'lib/rubygems/resolver/requirement_list.rb', line 56
def size @exact.size + @list.size end