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EndsInNoReturn in expressions extension, fixes #13490 (#13520)

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* fix #13490
This commit is contained in:
cooldome 2020-02-28 09:55:06 +00:00 • committed by GitHub
commit c79df2fb6a
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5 changed files with 42 additions and 8 deletions
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37
tests/casestmt/tcasestmt.nim
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@ -250,3 +250,40 @@ proc negativeOrNot(num: int): string =
doAssert negativeOrNot(-1) == "negative"
doAssert negativeOrNot(10000000) == "zero or positive"
doAssert negativeOrNot(0) == "zero or positive"
########################################################
# issue #13490
import strutils
func foo(input: string): int =
try:
parseInt(input)
except:
return
func foo2(b, input: string): int =
case b:
of "Y":
for c in input:
result = if c in '0'..'9': parseInt($c)
else: break
of "N":
for c in input:
result = if c in '0'..'9': parseInt($c)
else: continue
else: return
static:
doAssert(foo("3") == 3)
doAssert(foo("a") == 0)
doAssert(foo2("Y", "a2") == 0)
doAssert(foo2("Y", "2a") == 2)
doAssert(foo2("N", "a3") == 3)
doAssert(foo2("z", "2") == 0)
doAssert(foo("3") == 3)
doAssert(foo("a") == 0)
doAssert(foo2("Y", "a2") == 0)
doAssert(foo2("Y", "2a") == 2)
doAssert(foo2("N", "a3") == 3)
doAssert(foo2("z", "2") == 0)