6.5.1 The <sentinel> type

Built-in Type: <sentinel>

Parent Type: <struct>

Type of the sentinel object. (vicare-scheme)The sentinel object.

Type constructor on <sentinel>: <sentinel> type-constructor

The constructor is sentinel.

Type predicate on <sentinel>: <boolean> type-predicate obj

The type predicate is sentinel?.

Equality predicate on <sentinel>: <boolean> equality-predicate this {obj <sentinel>}

The equality predicate is eq?.

Hash function on <sentinel>: <non-negative-fixnum> hash-function this

The hash function is sentinel-hash.