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2016 Update

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Tina Müller 2016-12-05 22:15:40 +01:00
parent 948b86eafa
commit dcf5d15da3
7965 changed files with 139854 additions and 31002 deletions
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32
Task/Higher-order-functions/REXX/higher-order-functions.rexx
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@ -1,20 +1,18 @@
/*REXX program demonstrates passing a function as a name to another 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 variable N is still intact*/
exit /*stick a fork in it, we're all done. */
/*──────────────────────────────────one─liner subroutines─────────────────────*/
/*REXX program demonstrates passing a function (as a name) to another 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 variable N is still intact*/
exit /*stick a fork in it, we're all done. */
/*──────────────────────────────────────────────────────────────────────────────────────*/
cube: return n**3
fact: !=1; do j=2 to n; !=!*j; end; return !
fact: !=1; do j=2 to n; !=!*j; end; return !
fib: if n<2 then return n; _=0; a=0; b=1; do j=2 to n; _=a+b; a=b; b=_; end; return _
reverse: return 'REVERSE'(n)
someFunk: procedure; arg ?,n; signal value (?); say result 'result'; return
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 _
tell: say right(funcName'('q") = ",20) result; return