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Diffstat (limited to 'txr.1')
| -rw-r--r-- | txr.1 | 32 |
1 files changed, 0 insertions, 32 deletions
@@ -40676,38 +40676,6 @@ operator. --> (:case2 3 2) .brev -.coNP Pattern operator @ op -.synb -.mets @(op << form +) -.syne -.desc -The -.code op -operator uses the syntax of the -.code op -macro to produce an anonymous function, which is used as the basis of a -predicate match. The function is applied to the corresponding object. -If the function yields true, the match succeeds, otherwise it fails. - -The syntax and semantics of -.code op -is exactly that of the -.code op -macro. - -The syntax must be used in such a way that the resulting anonymous -function is capable of being called with exactly one argument. - -.TP* Example - -.verb - ;; 11 matches, since it is in the 10-13 range - (if-match @(op <= 10 @1 13) 11 :yes :no) -> :yes - - ;; as can be used to capture into a variable - (when-match @(as x @(op <= 10 @1 13)) 11 x) -> 11 -.brev - .NP* Pattern predicate operator .synb .mets >> @( function << arg *) |