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Versions: 8
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Contents
class Object
##
# Returns a hash indifferent to symbols or strings for
# accessor keys.
#
# === Examples
#
# hash = indifferent_hash
# hash['foo'] = 'bar'
#
# hash[:foo] #=> 'bar'
# hash['foo'] #=> 'bar'
#
def indifferent_hash
Hash.new { |hash, key| hash[key.to_s] if key.is_a? Symbol }
end
##
# Yield and return +value+.
#
# === Examples
#
# people = []
# people << 'tj'
# people << 'foo'
#
# returning [] do |people|
# people << 'tj'
# people << 'foo'
# end
#
def returning value, &block
yield value
value
end
##
# Retry a _block_ of statements upto a number of _times_.
# When no error is raised the value returned by _block_ is
# simply returned.
#
# === Examples
#
# try 3 do
# open 'http://vision-media.ca'
# end
# # => allows 3 tries to fetch the response
#
def try times = 1, options = {}, &block
yield
rescue options[:on] || Exception
retry if (times -= 1) > 0
end
end
Version data entries
8 entries across 8 versions & 1 rubygems