Class: Hash

Inherits:
Object
  • Object
show all
Defined in:
lib/l43/core/enum/hash.rb

Instance Method Summary collapse

Instance Method Details

#fetch_any(*keys, default: L43::Core::None, &blk) ⇒ Object

Raises:

  • (ArgumentError) 


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# File 'lib/l43/core/enum/hash.rb', line 7

def fetch_any(*keys, default: L43::Core::None, &blk)
  raise ArgumentError, "ambigous default definition, (&block and default: provided)" if
    blk && default != L43::Core::None

  keys = keys.flatten
  raise ArgumentError, "no keys provided to look for" if keys.empty?

  keys.each do |key|
    return L43::Core::Result.ok(fetch(key)) if has_key? key
  end

  return L43::Core::Result.ok(blk.()) if blk
  return L43::Core::Result.ok(default) unless default == L43::Core::None

  L43::Core::Result.error "no key found from #{keys.inspect}"
end

#fetch_any!(*keys, default: L43::Core::None, &blk) ⇒ Object 



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# File 'lib/l43/core/enum/hash.rb', line 24

def fetch_any!(*keys, default: L43::Core::None, &blk)
  case fetch_any(*keys, default:, &blk)
  in :ok, result
    result
  in :error, error
    raise KeyError, error
  end
end