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$ for tuples/objects now handles a nil value correctly. Fixes #3149.

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This commit is contained in:
Dominik Picheta 2015-07-26 18:15:19 +01:00
commit ce4e877702
1 changed files with 5 additions and 1 deletions
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lib/system.nim
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@ -2173,7 +2173,11 @@ proc `$`*[T: tuple|object](x: T): string =
if not firstElement: result.add(", ") if not firstElement: result.add(", ")
result.add(name) result.add(name)
result.add(": ") result.add(": ")
result.add($value) when compiles(value.isNil):
if value.isNil: result.add "nil"
else: result.add($value)
else:
result.add($value)
firstElement = false firstElement = false
result.add(")") result.add(")")