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Diffstat (limited to 'system/doc/efficiency_guide/functions.xml')
| -rw-r--r-- | system/doc/efficiency_guide/functions.xml | 9 |
1 files changed, 0 insertions, 9 deletions
diff --git a/system/doc/efficiency_guide/functions.xml b/system/doc/efficiency_guide/functions.xml index 4a8248e65c..1c34888bb5 100644 --- a/system/doc/efficiency_guide/functions.xml +++ b/system/doc/efficiency_guide/functions.xml @@ -183,15 +183,6 @@ explicit_map_pairs(Map, Xs0, Ys0) -> A fun contains an (indirect) pointer to the function that implements the fun.</p> - <warning><p><em>Tuples are not fun(s)</em>. - 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 might not be supported in a future Erlang/OTP release, - and because there exists a superior alternative from R10B, - 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. It is therefore always slower than a direct call or a fun call.</p> |