- (apropos PATTERN [ENVIRONMENT] [#:macros? MACROS?] [#:qualified? QUALIFIED?] [#:sort SORT]) procedure
Displays information about identifiers matching PATTERN in the ENVIRONMENT and, optionally, a MACRO-ENVIRONMENT.
- PATTERN
- A symbol, string or regexp. When symbol or string substring matching is performed.
- ENVIRONMENT
- An environment. The default is the (interaction-environment).
- MACROS?
- Either #t to include macros, or #f to skip them. Default is #f.
- QUALIFIED?
- Either #t to include qualified identifiers or #f to skip them. Default is #f.
- SORT
- Either #:name for an identifier sort, or #:type for a type+indentifier sort, or #f for unsorted. The default is #:type.
Should PATTERN be a namespace qualified symbol the namespace will be dropped before conversion to a regular-expression.