Empty string: Difference between revisions
Content added Content deleted
m (added comment how to check empty string explicitly) |
m (→{{header|Ruby}}: Show that s.clear mutates the string.) |
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<lang ruby>s = "" |
<lang ruby>s = "" |
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s = String.new |
s = String.new |
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s = "any string".clear</lang> |
s = "any string"; s.clear</lang> |
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These expressions all evaluate to true to determine emptiness: |
These expressions all evaluate to true to determine emptiness: |
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