diff options
| author | Stuart Halloway <stu@thinkrelevance.com> | 2010-04-12 22:01:58 -0400 |
|---|---|---|
| committer | Stuart Halloway <stu@thinkrelevance.com> | 2010-04-12 22:01:58 -0400 |
| commit | 9f448420b082ce8a6e577696df5203a405f4e8d4 (patch) | |
| tree | 959fd9277daa1d73194bd905bf9949323e2eda21 /src/main/clojure | |
| parent | 6dd033d9e12337f6630faa3d3f5c2e901a28c4f4 (diff) | |
-?>> per Chas Emerick
Diffstat (limited to 'src/main/clojure')
| -rw-r--r-- | src/main/clojure/clojure/contrib/core.clj | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/src/main/clojure/clojure/contrib/core.clj b/src/main/clojure/clojure/contrib/core.clj index fe6f50e9..c696ed12 100644 --- a/src/main/clojure/clojure/contrib/core.clj +++ b/src/main/clojure/clojure/contrib/core.clj @@ -43,6 +43,14 @@ " .. .?.) +(defnilsafe + "Same as clojure.core/->> but returns nil as soon as the threaded value is nil itself (thus short-circuiting any pending computation). + Examples : + (-?>> (range 5) (map inc)) returns (1 2 3 4 5) + (-?>> [] seq (map inc)) returns nil + " + ->> -?>>) + ;; ---------------------------------------------------------------------- ;; scgilardi at gmail |