End of Life Ruby 3.0 has reached end of life and gets no more fixes. Switch to Ruby 4.0 →

instance method

OpenStruct#[]=

ostruct[name] = obj → obj

# File tmp/rubies/ruby-3.0.5/lib/ostruct.rb, line 278
def []=(name, value)
  name = name.to_sym
  new_ostruct_member!(name)
  @table[name] = value
end

Sets the value of an attribute.

Example

require "ostruct"
person = OpenStruct.new("name" => "John Smith", "age" => 70)
person[:age] = 42   # equivalent to person.age = 42
person.age          # => 42

See also #[] #as_json #== #delete_field also in 3.4 · 3.3 · 3.2 · 3.1

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