RosettaCodeData/Task/Undefined-values/YAMLScript/undefined-values.ys
2025-08-11 18:05:26 -07:00

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Text

!YS-v0
x =:
y =: 1
each v qw(x y):
if v:symbol:resolve:bound?:
say: "$v is defined"
say: "$v is not defined"