default  Access: viewconf PLT Bugs
Main PageQuick QueryStandard QueryAdvanced QueryHelp
Edit

View Problem Report: 10815

send email to interested parties or send email followup to audit-trail
Reporter's email: cce@ccs.neu.edu
Number: 10815
Category: all
Synopsis: Typed Scheme: cannot define alias for declared refinement type
Class: sw-bug
Responsible: nobody
Notify-List:
Severity: serious
Priority: medium
State: open
Confidential: no
Arrival-Date: Fri Mar 05 19:44:01 -0500 2010
Closed-Date:
Last-Modified:
Originator: Carl Eastlund
Organization: plt
Submitter-Id: unknown
Release: 4.2.4.5-svn5mar2010
Environment: macosx "Darwin Kauai.ccs.neu.edu 9.7.0 Darwin Kernel Version 9.7.0: Tue Mar 31 22:54:29 PDT 2009; root:xnu-1228.12.14~1/RELEASE_PPC Power Macintosh powerpc" (ppc-macosx/3m) (get-display-depth) = 32
Human Language: english
(current-memory-use) 476520804

Collections:
(("/Users/cce/svn/2010-03-05/dist/add-on/4.2.4.5/collects" non-existent-path) ("/Users/cce/svn/2010-03-05/dist/collects" ".svn" "2htdp" "afm" "algol60" "at-exp" "browser" "combinator-parser" "compiler" "config" "defaults" "deinprogramm" "drscheme" "dynext" "embedded-gui" "eopl" "errortrace" "ffi" "file" "framework" "frtime" "games" "graphics" "gui-debugger" "guibuilder" "handin-client" "handin-server" "help" "hierlist" "honu" "htdp" "html" "icons" "info-domain" "lang" "launcher" "lazy" "macro-debugger" "make" "meta" "mred" "mrlib" "mysterx" "mzcom" "mzlib" "mzscheme" "net" "openssl" "parser-tools" "plai" "planet" "plot" "preprocessor" "profile" "r5rs" "r6rs" "reader" "readline" "redex" "repos-time-stamp" "rnrs" "s-exp" "scheme" "schemeunit" "scribble" "scribblings" "scriblib" "setup" "sgl" "sirmail" "slatex" "slideshow" "srfi" "srpersist" "stepper" "string-constants" "swindle" "syntax" "syntax-color" "teachpack" "test-box-recovery" "test-engine" "tests" "tex2page" "texpict" !
"trace" "typed" "typed-scheme" "unstable" "version" "waterworld" "web-server" "wxme" "xml"))
Computer Language: (("Determine language from source") (#(#t write mixed-fraction-e #f #t debug) (default) #() "#lang scheme\n" #f))
Description: Welcome to DrScheme, version 4.2.4.5-svn5mar2010 [3m].
Language: typed/scheme [custom].
. Type Checker: cannot declare refinement for non-predicate Nothing in: (Refinement module-path?)
>
File Attachments:
How-To-Repeat: #lang typed/scheme
(require/typed scheme [module-path? (Any -> Boolean)])
(declare-refinement module-path?)
(define-type-alias Module-Path (Refinement module-path?))
Fix:
Release-Note:
Unformatted:

send email to interested parties or send email followup to audit-trail

Audit Trail: