Sha256: c0069f2f55fdc77d6badcb786aebaa7993b2fd4a3fbc52706fff02863d470bd5
Contents?: true
Size: 1.03 KB
Versions: 7
Compression:
Stored size: 1.03 KB
Contents
class Hash
# Merge the values of this hash with those from another, setting all values
# to be arrays representing the values from both hashes.
#
# { :a=>1, :b=>2 }.collate :a=>3, :b=>4, :c=>5
# #=> { :a=>[1,3], :b=>[2,4], :c=>[5] }
#
# CREDIT: Gavin Kistner (Phrogz)
def collate(other_hash)
dup.collate!(other_hash)
end
# The same as #collate, but modifies the receiver in place.
def collate!(other_hash)
# Prepare, ensuring every existing key is already an Array
each do |key, value|
if value.is_a?(Array)
self[key] = value
else
self[key] = [value]
end
end
# Collate with values from other_hash
other_hash.each do |key, value|
if self[key]
if value.is_a?(Array)
self[key].concat( value )
else
self[key] << value
end
elsif value.is_a?(Array)
self[key] = value
else
self[key] = [value]
end
end
#each{ |key, value| value.uniq! } if options[ :uniq ]
self
end
end
Version data entries
7 entries across 7 versions & 2 rubygems