Sha256: b2233468e9b2ab06046dd4f7265a672c5e456987bcc242c44030c86047038b6d
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Versions: 13
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Stored size: 1.28 KB
Contents
require 'set'
unless Hash.instance_methods.include? 'except'
Hash.class_eval do
# Returns a new hash without the given keys.
def except(*keys)
rejected = Set.new(respond_to?(:convert_key) ? keys.map { |key| convert_key(key) } : keys)
reject { |key,| rejected.include?(key) }
end
# Replaces the hash without only the given keys.
def except!(*keys)
replace(except(*keys))
end
end
end
unless Hash.instance_methods.include? 'slice'
Hash.class_eval do
# Returns a new hash with only the given keys.
def slice(*keys)
allowed = Set.new(respond_to?(:convert_key) ? keys.map { |key| convert_key(key) } : keys)
reject { |key,| !allowed.include?(key) }
end
# Replaces the hash with only the given keys.
def slice!(*keys)
replace(slice(*keys))
end
end
end
unless Array.instance_methods.include? 'paginate'
# http://www.desimcadam.com/archives/8
Array.class_eval do
def paginate(page = 1, per_page = 15)
pagination_array = WillPaginate::Collection.new(page, per_page, size)
start_index = pagination_array.offset
end_index = start_index + (per_page - 1)
array_to_concat = self[start_index..end_index]
array_to_concat.nil? ? [] : pagination_array.concat(array_to_concat)
end
end
end
Version data entries
13 entries across 13 versions & 4 rubygems