Trying to use prop:match-expander but it doesn't seem to be available: http://pre.racket-lang.org/docs/html/reference/match.html?q=prop%3Amatch-expander#%28def._%28%28lib._racket%2Fmatch..rkt%29._prop~3amatch-expander%29%29
Welcome to DrRacket, version 5.3.1.3 [3m]. Language: racket [custom]. > (struct A (x y) #:property prop:match-expander (syntax-rules () [(B x y) (A x y)])) prop:match-expander: undefined; cannot reference an identifier before its definition > (require racket/match) > (struct A (x y) #:property prop:match-expander (syntax-rules () [(B x y) (A x y)])) prop:match-expander: undefined; cannot reference an identifier before its definition > (match (A 1 2) [(B x y) (+ x y)]) . match: syntax error in pattern in: (B x y) > Is this a bug or am I misusing it? _________________________ Racket Developers list: http://lists.racket-lang.org/dev
