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Extends documentation for ActiveSupport::Cache#fetch_multi [ci skip]

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This commit is contained in:
Carlos Donderis 2018-10-16 11:43:38 +09:00
parent bfea0af4ba
commit cae1b2ce86
1 changed files with 11 additions and 2 deletions
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13
activesupport/lib/active_support/cache.rb
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@ -411,8 +411,6 @@ module ActiveSupport
# to the cache. If you do not want to write the cache when the cache is
# not found, use #read_multi.
#
# Options are passed to the underlying cache implementation.
#
# Returns a hash with the data for each of the names. For example:
#
# cache.write("bim", "bam")
@ -422,6 +420,17 @@ module ActiveSupport
# # => { "bim" => "bam",
# # "unknown_key" => "Fallback value for key: unknown_key" }
#
# Options are passed to the underlying cache implementation. For example:
#
# cache.fetch_multi("fizz", expires_in: 5.seconds) do |key|
# "buzz"
# end
# # => {"fizz"=>"buzz"}
# cache.read("fizz")
# # => "buzz"
# sleep(6)
# cache.read("fizz")
# # => nil
def fetch_multi(*names)
raise ArgumentError, "Missing block: `Cache#fetch_multi` requires a block." unless block_given?