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John Kerl 2016-10-26 19:02:06 -04:00
parent 61c8d8d387
commit 1fc4ce3715
3 changed files with 47 additions and 41 deletions
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7
doc/content-for-reference.html
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@ -1698,11 +1698,16 @@ recursive or mutually recursive. Functions may not call subroutines.
<li/> Functions have read access to <tt>$</tt>-variables and
<tt>@</tt>-variables but may not modify them.
See also
<a href="cookbook.html#Memoization_with_out-of-stream_variables">
this cookbook item</a> for an example.
<li/> Argument values may be reassigned: they are not read-only.
<li/> When a return value is not implicitly returned, this results in a return
value of absent-null. See also the section on
value of absent-null. (In the example above, if there were records for which
the argument to <tt>f</tt> is non-numeric, the assignments would be skipped.)
See also the section on
<a href="#Null_data:_empty_and_absent">empty_and_absent null data</a>.
<li/> See the section on <a href="#Local_variables">local variables</a> for

70
doc/cookbook.html
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@ -605,33 +605,33 @@ $ mlr --ofmt '%.9lf' --opprint seqgen --start 1 --stop 28 then put '
' then put '$seconds=systime()' then step -a delta -f seconds then cut -x -f seconds
i o fcount seconds_delta
1 1 1 0
2 2 3 0.000021935
3 3 5 0.000012159
4 5 9 0.000013828
5 8 15 0.000018120
6 13 25 0.000025988
7 21 41 0.000040054
2 2 3 0.000022173
3 3 5 0.000012875
4 5 9 0.000014067
5 8 15 0.000017881
6 13 25 0.000027180
7 21 41 0.000038862
8 34 67 0.000061035
9 55 109 0.000094891
10 89 177 0.000148058
11 144 287 0.000234842
12 233 465 0.000380039
13 377 753 0.000602961
14 610 1219 0.000971079
15 987 1973 0.001572132
16 1597 3193 0.002545834
17 2584 5167 0.004101038
18 4181 8361 0.006519079
19 6765 13529 0.010349035
20 10946 21891 0.016438961
21 17711 35421 0.026494026
22 28657 57313 0.042817831
23 46368 92735 0.073794127
24 75025 150049 0.117750883
25 121393 242785 0.187194109
26 196418 392835 0.296587944
27 317811 635621 0.468843937
28 514229 1028457 0.734012127
9 55 109 0.000095129
10 89 177 0.000147820
11 144 287 0.000234127
12 233 465 0.000375032
13 377 753 0.000600815
14 610 1219 0.000970125
15 987 1973 0.001564026
16 1597 3193 0.002518892
17 2584 5167 0.004086018
18 4181 8361 0.006515980
19 6765 13529 0.010169029
20 10946 21891 0.017036915
21 17711 35421 0.031524181
22 28657 57313 0.047505856
23 46368 92735 0.073539019
24 75025 150049 0.112071037
25 121393 242785 0.187931061
26 196418 392835 0.311629057
27 317811 635621 0.488912821
28 514229 1028457 0.764958143
</pre>
</div>
<p/>
@ -663,18 +663,18 @@ $ mlr --ofmt '%.9lf' --opprint seqgen --start 1 --stop 28 then put '
' then put '$seconds=systime()' then step -a delta -f seconds then cut -x -f seconds
i o fcount seconds_delta
1 1 1 0
2 2 3 0.000024080
3 3 3 0.000012875
2 2 3 0.000023842
3 3 3 0.000014067
4 5 3 0.000010967
5 8 3 0.000011206
6 13 3 0.000009775
7 21 3 0.000010014
5 8 3 0.000010967
6 13 3 0.000010014
7 21 3 0.000009060
8 34 3 0.000010014
9 55 3 0.000009060
10 89 3 0.000010014
9 55 3 0.000010014
10 89 3 0.000009060
11 144 3 0.000009060
12 233 3 0.000012875
13 377 3 0.000010967
12 233 3 0.000013828
13 377 3 0.000010014
14 610 3 0.000010014
15 987 3 0.000010014
16 1597 3 0.000010014

11
doc/reference.html
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@ -6665,17 +6665,18 @@ recursive or mutually recursive. Functions may not call subroutines.
<li/> Functions have read access to <tt>$</tt>-variables and
<tt>@</tt>-variables but may not modify them.
See also
<a href="cookbook.html#Memoization_with_out-of-stream_variables">
this cookbook item</a> for an example.
<li/> Argument values may be reassigned: they are not read-only.
<li/> When a return value is not implicitly returned, this results in a return
value of absent-null. See also the section on
value of absent-null. (In the example above, if there were records for which
the argument to <tt>f</tt> is non-numeric, the assignments would be skipped.)
See also the section on
<a href="#Null_data:_empty_and_absent">empty_and_absent null data</a>.
<p/> xxx example code here
<li/> xxx missing return leads to absent-null (which xref). return value (single).
<li/> See the section on <a href="#Local_variables">local variables</a> for
information on scope and extent of arguments, as well as for information on the
use of local variables within functions.