Sha256: c2728f266162590ad93e05ede7d22eb34b600c0db43067672eeb0d5ec8762c8a
Contents?: true
Size: 929 Bytes
Versions: 6
Compression:
Stored size: 929 Bytes
Contents
module Alf
module Types
class Keys
extend Domain::Reuse.new(Array)
include Support::OrderedSet
coercions do |c|
c.coercion(Array){|v,_| Keys.new(v.map{|e| AttrList.coerce(e)}) }
end
def self.[](*args); coerce(args); end
def if_empty(keys = nil, &bl)
return self unless empty?
Keys.coerce(keys || bl.call)
end
def project(attributes, allbut = false)
map{|k| k.project(attributes, allbut) }
end
def rename(renaming)
renaming = Renaming.coerce(renaming)
map{|k| renaming.rename_attr_list(k) }
end
def to_ruby_literal
"Alf::Keys[" << reused_instance.map{|k| Support.to_ruby_literal(k.to_a) }.join(',') << "]"
end
alias_method :to_s, :to_ruby_literal
alias_method :inspect, :to_ruby_literal
EMPTY = Keys.new([])
end # class Keys
end # module Types
end # module Alf
Version data entries
6 entries across 6 versions & 1 rubygems