aparler/RosettaCodeData
1
0
Fork 0
Code Issues 12 Pull requests 3 Projects Releases Packages Wiki Activity Actions

A-M baby

Browse source
This commit is contained in:
Ingy döt Net 2013-04-10 21:29:02 -07:00
parent 764da6cbbb
commit db842d013d
19005 changed files with 197040 additions and 7 deletions
Download patch file Download diff file Expand all files Collapse all files

21
Task/Higher-order-functions/REXX/higher-order-functions.rexx Normal file
View file

@ -0,0 +1,21 @@
/*REXX program demonstrates passing a function as a name to a function.*/
n=3735928559
funcName='fib' ; q= 10; call someFunk funcName, q; call tell
funcName='fact' ; q= 6; call someFunk funcName, q; call tell
funcName='square' ; q= 13; call someFunk funcName, q; call tell
funcName='cube' ; q= 3; call someFunk funcName, q; call tell
q=721; call someFunk 'reverse',q; call tell
say copies('─',30) /*display a nice separator fence.*/
say 'done as' d2x(n)"." /*prove that var N still intact. */
exit /*stick a fork in it, we're done.*/
/*──────────────────────────────────subroutines─────────────────────────*/
cube: return n**3
fact: !=1; do j=2 to n; !=!*j; end; return !
reverse: return 'REVERSE'(n)
someFunk: procedure; arg ?,n; signal value (?); say result 'result'; return
square: return n**2
tell: say right(funcName'('q") = ",20) result; return
fib: if n==0 | n==1 then return n; _=0; a=0; b=1
do j=2 to n; _=a+b; a=b; b=_; end; return _