Details
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Type:
Improvement
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Status:
Resolved
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Priority:
Minor
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Resolution: Fixed
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Affects Version/s: 0.8.1
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Fix Version/s: 0.8.2
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Component/s: None
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Labels:None
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Testcase included:yes
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Number of attachments :
Description
na as int? = 30
nb as int? = 12
nn as int? #no value
no as int?
c = 42
assert c == na+nb
assert null == na+nn
try:
c = na+nn
except InvalidOperationException:
print "an nullable arithmetic with one operand without value cannot be cast to an non-nullable"
na *= 2
assert 60 == na
Issue Links
| This issue supercedes: | ||||
| BOO-807 | Issues with using nullable types in Boo |
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partially fixed in rev. 2901
testcase is net2/generics/nullable-3.boo
arithmetic works when all nullables have value.
need to add some temp locals and HasValue tests to handle mixed null/value ops.
(will also optimize nullable==non-null-value tests)