43.3 Preferences

Version: 5.1

43.3 Preferences

This library is unstable; compatibility will not be maintained. See Unstable for more information.

(pref:get/set pref) → (case-> (-> any/c) (-> any/c void?))

pref : symbol?

Returns a procedure that when applied to zero arguments retrieves the current value of the preference (framework/preferences) named pref and when applied to one argument updates the preference named pref.

top← prev up next →

1	Guidelines for developing unstable libraries
2	Bytes
3	Classes and Objects
4	Contracts
5	Definitions
6	Dictionaries
7	Directories
8	Exceptions
9	Filesystem
10	Functions
11	Lists
12	Net
13	Path
14	PLane T Packages
15	Ports
16	Pretty-Printing
17	Regular Expressions
18	Requiring Modules
19	Sandboxed Evaluation
20	Scribble Documentation
21	Sets
22	S-Expression Diff
23	Source Locations
24	Strings
25	Structs
26	Syntax
27	Planet Package Macros
28	Text Representations
29	Multiple Values
30	XML and CSS
31	Polymorphic Contracts
32	Finding Mutated Variables
33	Find
34	Interface-Oriented Programming for Classes
35	Sequences
36	Hash Tables
37	Match
38	Generics
39	Mark Parameters
40	Debugging
41	Contracts for macro subexpressions
42	Contracts for struct type properties
43	GUI libraries

43.1	Dr Racket Language Levels
43.2	Notify-boxes
43.3	Preferences
43.4	Slideshow Presentations
43.5	GUI Widgets