Just stumbled over that:
--- cut ---
#set ($a = 0)
#set ($b = 1)
#set ($c = $a and $b)
#set ($d = $a or $b)
A: $a
B: $b
C: $c
D: $d
Rendering this template gives a bit of a surprising result:
A: 0
B: 1
C: true
D: true
While the behaviour is obvious (anything not-null is true in Velocity
expressions), it is still sort of a "gotcha". Personally I'd like to
see this behaviour changed (number '0' or the empty String '' get
converted to "false") because then it would match the expression
system of well known languages like perl or php(?).
Any opinions on that?
Best regards
Henning
--
Dipl.-Inf. (Univ.) Henning P. Schmiedehausen INTERMETA GmbH
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RedHat Certified Engineer -- Jakarta Turbine Development -- hero for hire
Linux, Java, perl, Solaris -- Consulting, Training, Development
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