Character codes: Difference between revisions
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In Ruby currently characters are usually represented directly as their integer character code. Ruby has a syntax for "character literal" which evaluates directly to the integer code: <code>?a</code> evaluates to the integer 97. Subscripting a string also gives just the integer code for the character. |
In Ruby currently characters are usually represented directly as their integer character code. Ruby has a syntax for "character literal" which evaluates directly to the integer code: <code>?a</code> evaluates to the integer 97. Subscripting a string also gives just the integer code for the character. |
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<ruby>print ?a # prints "97" |
<ruby>print ?a, "\n" # prints "97" |
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print 'a'[0] # prints "97" |
print 'a'[0], "\n" # prints "97" |
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print 97.chr # prints "a"; "91.chr" returns a string of length 1</ruby> |
print 97.chr, "\n" # prints "a"; "91.chr" returns a string of length 1</ruby> |
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=={{header|Scheme}}== |
=={{header|Scheme}}== |
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