Class: Dhall::RecordSelection

Inherits:

Expression

• Object
• Expression
• Dhall::RecordSelection

Defined in:

lib/dhall/ast.rb,
lib/dhall/binary.rb,
lib/dhall/normalize.rb

Class Method Summary

• .decode(record, selector) ⇒ Object

Instance Method Summary

• #as_json ⇒ Object
• #call(value) ⇒ Object
• #normalize ⇒ Object

Methods inherited from Expression

#&, #*, #+, #as_dhall, #cache_key, #concat, #deep_merge, #deep_merge_type, #dhall_eq, #digest, #fetch, #fusion, #merge, #resolve, #shift, #slice, #substitute, #to_cbor, #to_proc, #to_s, #|

Class Method Details

.decode(record, selector) ⇒ Object

# File 'lib/dhall/binary.rb', line 136

def self.decode(record, selector)
  new(record: Dhall.decode(record), selector: selector)
end

Instance Method Details

#as_json ⇒ Object

# File 'lib/dhall/ast.rb', line 785

def as_json
  [9, record.as_json, selector]
end

#call(value) ⇒ Object

# File 'lib/dhall/ast.rb', line 777

def call(value)
  if record.is_a?(UnionType)
    record.get_constructor(selector).call(value)
  else
    Application.new(function: self, argument: value)
  end
end

#normalize ⇒ Object

# File 'lib/dhall/normalize.rb', line 312

def normalize
  record.normalize.fetch(selector)
end