2 Generic Interfaces

8.12

procedure
(=? v1 v2) → boolean?
v1 : any/c
v2 : any/c

Returns #true, if v1 is equivalent to v2; #false, otherwise.

procedure
(≠? v1 v2) → boolean?
v1 : any/c
v2 : any/c

Equivalent to (not (=? v1 v2)).

procedure
(ordered? v) → boolean?
v : any/c

Returns #true, if v implements the generic ordering interface; #false, otherwise.

procedure
(<? v1 v2) → boolean?
v1 : ordered?
v2 : ordered?

Returns #true, if v1 is less than v2; #false, otherwise.

procedure
(>? v1 v2) → boolean?
v1 : ordered?
v2 : ordered?

Returns #true, if v1 is greater than v2; #false, otherwise.