# File lib/versionomy/format/delimiter.rb, line 471 def field(name_, opts_={}, &block_) name_ = name_.to_sym field_ = @schema.field_named(name_) if !field_ raise Errors::FormatCreationError, "Unknown field name #{name_.inspect}" end @field_handlers[name_] = Delimiter::FieldHandler.new(field_, opts_, &block_) end