instance method `reverse_merge`

Ruby on Rails 4.2.9

Since v3.0.20

Compare with:

reverse_merge(other_hash)

Merges the caller into other_hash. For example,

options = options.reverse_merge(size: 25, velocity: 10)

is equivalent to

options = { size: 25, velocity: 10 }.merge(options)

This is particularly useful for initializing an options hash with default values.

Parameters

Source

# File activesupport/lib/active_support/core_ext/hash/reverse_merge.rb, line 12
  def reverse_merge(other_hash)
    other_hash.merge(self)
  end

Defined in activesupport/lib/active_support/core_ext/hash/reverse_merge.rb line 12 · View on GitHub · Improve this page · Find usages on GitHub

Defined in Hash