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Added isNil*(Value). #25

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Added isNil*(Value). #25

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11 changes: 11 additions & 0 deletions src/private/value.nim
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Original file line number Diff line number Diff line change
Expand Up @@ -102,6 +102,17 @@ proc `==`*(a, b: Value): bool =
a.kind == b.kind and a.str == b.str


proc isNil*(v: Value): bool =
case v.kind
of vkNone:
result = true
of vkStr:
result = v.str_v.isNil
of vkList:
result = v.list_v.isNil
else:
result = false

proc val(): Value = Value(kind: vkNone)
proc val(v: bool): Value = Value(kind: vkBool, bool_v: v)
proc val(v: int): Value = Value(kind: vkInt, int_v: v)
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