U:RDoc::AnyMethod[iI"decrement:ETI"(ActiveRecord::Persistence#decrement;TF:publico:RDoc::Markup::Document:@parts[o:RDoc::Markup::Paragraph;	[I"eInitializes +attribute+ to zero if +nil+ and subtracts the value passed as +by+ (default is 1). ;TI"\The decrement is performed directly on the underlying attribute, no setter is invoked. ;TI"BOnly makes sense for number-based attributes. Returns +self+.;T:
@fileI"%lib/active_record/persistence.rb;T:0@omit_headings_from_table_of_contents_below000[I"(attribute, by = 1);T@FI"Persistence;TcRDoc::NormalModule00