6.13.10.4 The <zero-fixnum> type

Core Type: <zero-fixnum>

Parent Type: <fixnum>

Type of the zero fixnum value.

Constructor on <zero-fixnum>: <zero-fixnum> type-constructor obj

Validate obj as object of type <zero-fixnum> and return it.

Type predicate on <zero-fixnum>: <boolean> type-predicate obj

The type predicate is zero-fixnum?. Return #t if obj is a <zero-fixnum> object, otherwise return #f.