String length: Difference between revisions
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m (Emacs Lisp: Add comments) |
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===Character Length=== |
===Character Length=== |
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<lang lisp>(length "hello") |
<lang lisp>(length "hello") |
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=> 5</lang> |
;; => 5</lang> |
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===Byte Length=== |
===Byte Length=== |
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<lang lisp>(string-bytes "\u1D518\u1D52B\u1D526") |
<lang lisp>(string-bytes "\u1D518\u1D52B\u1D526") |
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=> 12</lang> |
;; => 12</lang> |
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<code>string-bytes</code> is the length of Emacs' internal representation. In Emacs 23 up this is utf-8. In earlier versions it was "emacs-mule". |
<code>string-bytes</code> is the length of Emacs' internal representation. In Emacs 23 up this is utf-8. In earlier versions it was "emacs-mule". |
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(string-bytes str) |
(string-bytes str) |
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(string-width str))) |
(string-width str))) |
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=> (6 18 4) ;; in emacs 23 up</lang> |
;; => (6 18 4) ;; in emacs 23 up</lang> |
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=={{header|Erlang}}== |
=={{header|Erlang}}== |
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