 
 #-----------------------------------------------------------------------------------------------------------
 @$as_line = ->
-  return @_map_errors ( line ) =>
+  return @$map ( line ) =>
     "µ839833 expected a text, got a #{type}" unless ( type = CND.type_of line ) is 'text'
     line + '\n'
 
 #-----------------------------------------------------------------------------------------------------------
 @$trim = ->
-  return @_map_errors ( line ) =>
+  return @$map ( line ) =>
     "µ839833 expected a text, got a #{type}" unless ( type = CND.type_of line ) is 'text'
     line.trim()
 

#-----------------------------------------------------------------------------------------------------------
@$as_text = ( settings ) ->
  serialize = settings?[ 'serialize' ] ? JSON.stringify
  return @_map_errors ( data ) => serialize data

#-----------------------------------------------------------------------------------------------------------
@$desaturate = ->

  skip_last = yes
  R.push $pull_utf8_decoder()
  R.push $pull_split matcher, mapper, reverse, skip_last
  return @pull R...

#-----------------------------------------------------------------------------------------------------------
@$join = ( joiner = null ) ->
