【Ruby on Rails】deep_symbolize_keys()

ハッシュのキーをすべてシンボルに変換するだけでなく、ネストされたハッシュ内のキーも再帰的にシンボルに変換してくれるメソッド

code:ruby

params = {

"user" => {

"name" => "Alice",

"details" => {

"age" => "15",

"country" => "WonderLand"

}

}

}

symbolized = params.deep_symbolize_keys

puts symbolized

# =>

# {

# :user => {

# :name => "Alice",

# :details => {

# :age => "15",

# :country => "WonderLand"

# }

# }

# }