I have another "problem" I try to solve in my head.
Suppose I want to change one word in a sentence depening if a
comparision is true or false.
I could do this in pseudo code.
if comparision is true then print "it's true" else print "it's not true"
It works but I type two time's "it's true".
Can this be done so I have to type only one time the sentence and
depeding on true or false the word not is used.
Roelof
Op 23-6-2012 16:18, Matthias Felleisen schreef:
Origin means (0,0) or plain 0 in English.
On Jun 22, 2012, at 2:42 PM, Roelof Wobben wrote:
Hello,
I try to make this exercise :
Exercise 76: A programmer has chosen to represent locations as
Cartesian points or just points:
;Location is one of:
;–Posn
;–Number
;interp. Posn are positions on the Cartesian grid,
;Numbers are positions on the number line
Design the function in-reach, which determines whether or not a given
location’s distance to the origin is strictly less than some constantR.
So I must design a function called in-reach.
Am I right I need to use two structs (Posn) . One for the given
location and one for the origon ?
Regards,
Roelof
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