Login Register

slice

slice(*keys)

Instance Public methods

Returns a new ActionController::Parameters instance that includes only the given keys. If the given keys don't exist, returns an empty hash.

params = ActionController::Parameters.new(a: 1, b: 2, c: 3)
params.slice(:a, :b) # => {"a"=>1, "b"=>2}
params.slice(:d)     # => {}

Links:

https://github.com/rails/rails/blob/c7d93fb58077c1f43967ad79f15f2ae4beec44dd/actionpack/lib/action_controller/metal/strong_parameters.rb#L314

doc_ruby_on_rails

2025-01-10 15:47:30

Comments

Leave a Comment

Please login to continue.

Popular Articles

slice class slice(stop) class slice(start, stop[, step]) Return a slice object representing the set of indices specified by range(start, stop, step). The

slice slice(*methods) Instance Public methods Returns a hash of the given methods with their names as keys and returned values as values.

slice! ary.slice!(index) â obj or nilary.slice!(start, length) â new_ary or nilary.slice!(range) â new_ary or nil Instance Public

slice! slice!(*keys) Instance Public methods Replaces the hash with only the given keys. Returns a hash containing the removed key/value pairs.

_.slice _.slice(array, [start=0], [end=array.length]) source npm package Creates a slice of array from start up to, but not including, end.Note: This metho