Class: Omnis::NestedHashExtractor

Inherits:

Object

• Object
• Omnis::NestedHashExtractor

Defined in:

lib/omnis/nested_hash_extractor.rb

Direct Known Subclasses

MonadicNestedHashExtractor

Instance Method Summary

• #extractor(path) ⇒ Object

  returns a lambda which extracts a value from a nested hash.

Instance Method Details

#extractor(path) ⇒ Object

returns a lambda which extracts a value from a nested hash

# File 'lib/omnis/nested_hash_extractor.rb', line 4

def extractor(path)
  raise ArgumentError("path to extract must be a string") unless String === path
  expr = "source#{from_dot_path(path)} rescue nil"
  ->source { eval(expr) }
end