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| author | Björn Gustavsson <[email protected]> | 2010-02-28 09:41:40 +0100 |
|---|---|---|
| committer | Björn Gustavsson <[email protected]> | 2010-02-28 09:41:40 +0100 |
| commit | 5a662ce8fa95ab467e77a654088df43e5528a584 (patch) | |
| tree | a9add15aac803aec6908bf52c0e5626f93962faf /system/doc/efficiency_guide | |
| parent | cedee54fd81ddf8e4423e5ad4b3e6454001c6e95 (diff) | |
| download | otp-5a662ce8fa95ab467e77a654088df43e5528a584.tar.gz otp-5a662ce8fa95ab467e77a654088df43e5528a584.tar.bz2 otp-5a662ce8fa95ab467e77a654088df43e5528a584.zip | |
Efficiency Guide: Recommend external funs over tuple funs
Diffstat (limited to 'system/doc/efficiency_guide')
| -rw-r--r-- | system/doc/efficiency_guide/functions.xml | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/system/doc/efficiency_guide/functions.xml b/system/doc/efficiency_guide/functions.xml index d55b60e39c..0d2e756900 100644 --- a/system/doc/efficiency_guide/functions.xml +++ b/system/doc/efficiency_guide/functions.xml @@ -179,7 +179,9 @@ explicit_map_pairs(Map, Xs0, Ys0) -> A "tuple fun", <c>{Module,Function}</c>, is not a fun. The cost for calling a "tuple fun" is similar to that of <c>apply/3</c> or worse. Using "tuple funs" is <em>strongly discouraged</em>, - as they may not be supported in a future release.</p></warning> + as they may not be supported in a future release, + and because there exists a superior alternative since the R10B + release, namely the <c>fun Module:Function/Arity</c> syntax.</p></warning> <p><c>apply/3</c> must look up the code for the function to execute in a hash table. Therefore, it will always be slower than a |