suzanne.soy/racket
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

doc clarifications on `eq?'

Browse Source
This commit is contained in:
Matthew Flatt 2011-09-12 19:16:57 -06:00
parent b7bef3b3aa
commit c5131d428c
2 changed files with 7 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
collects/scribblings/reference/booleans.scrbl
View File

@ -5,8 +5,9 @@
True and false @deftech{booleans} are represented by the values True and false @deftech{booleans} are represented by the values
@racket[#t] and @racket[#f], respectively, though operations that @racket[#t] and @racket[#f], respectively, though operations that
depend on a boolean value typically treat anything other than @racket[#f] depend on a boolean value typically treat anything other than
as true. @racket[#f] as true. The @racket[#t] value is always @racket[eq?] to
itself, and @racket[#f] is always @racket[eq?] to itself.
See also: @racket[and], @racket[or], @racket[andmap], @racket[ormap]. See also: @racket[and], @racket[or], @racket[andmap], @racket[ormap].

3
collects/scribblings/reference/data.scrbl
View File

@ -229,6 +229,9 @@ that have a side-effect and no useful result. The constant
@|undefined-const| is used as the initial value for @racket[letrec] @|undefined-const| is used as the initial value for @racket[letrec]
bindings. bindings.
The @|void-const| value is always @racket[eq?] to itself, and the
@|undefined-const| value is also @racket[eq?] to itself.
@defproc[(void? [v any/c]) void?]{Returns @racket[#t] if @racket[v] is the @defproc[(void? [v any/c]) void?]{Returns @racket[#t] if @racket[v] is the
constant @|void-const|, @racket[#f] otherwise.} constant @|void-const|, @racket[#f] otherwise.}