instance method `reverse_merge`

Ruby on Rails edge

Since v3.0.20

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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 18
  def reverse_merge(other_hash)
    other_hash.merge(self)
  end

Defined in activesupport/lib/active_support/core_ext/hash/reverse_merge.rb line 18 · View on GitHub · Improve this page · Find usages on GitHub

Defined in Hash