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Idiomatically determine all the characters that can be used for symbols: Difference between revisions
Idiomatically determine all the characters that can be used for symbols (view source)
Revision as of 21:50, 13 July 2018
, 5 years agoScala contribution added.
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</pre>
=={{header|Scala}}==
{{Out}}Best seen running in your browser either by [https://scalafiddle.io/sf/ZyPkGW8/0 ScalaFiddle (ES aka JavaScript, non JVM)] or [https://scastie.scala-lang.org/4XdxscWGTtyw9MDQXCtRdg Scastie (remote JVM)].
<lang Scala>object IdiomaticallyDetermineSymbols extends App {
private def print(msg: String, limit: Int, p: Int => Boolean, fmt: String) =
println(msg + (0 to 0x10FFFF).filter(p).take(limit).map(fmt.format(_)).mkString + "...")
print("Java Identifier start: ", 72, cp => Character.isJavaIdentifierStart(cp), "%c")
print("Java Identifier part: ", 25, cp => Character.isJavaIdentifierPart(cp), "[%d]")
print("Identifier ignorable: ", 25, cp => Character.isIdentifierIgnorable(cp), "[%d]")
print("Unicode Identifier start: ", 72, cp => Character.isUnicodeIdentifierStart(cp), "%c")
print("Unicode Identifier part : ", 25, cp => Character.isUnicodeIdentifierPart(cp), "[%d]")
}</lang>
=={{header|Tcl}}==
Tcl permits ''any'' character to be used in a variable or command name (subject to the restriction that <code>::</code> is a namespace separator and, for variables only, a <code>(…)</code> sequence is an array reference). The set of characters that can be used after <code>$</code> is more restricted, excluding many non-letter-like symbols, but still large. It is ''recommended practice'' to only use ASCII characters for variable names as this makes scripts more resistant to the majority of encoding problems when transporting them between systems, but the language does not itself impose such a restriction.
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{{out}}
Only the first 256 characters are displayed:
<pre>All Unicode characters legal in names▼
Characters legal after $: 0 1 2 3 4 5 6 7 8 9 A B C D E F G H I J K L M N O P Q R S T U V W X Y Z _ a b c d e f g h i j k l m n o p q r s t u v w x y z ª µ º À Á Â Ã Ä Å Æ Ç È É Ê Ë Ì Í Î Ï Ð Ñ Ò Ó Ô Õ Ö Ø Ù Ú Û Ü Ý Þ ß à á â ã ä å æ ç è é ê ë ì í î ï ð ñ ò ó ô õ ö ø ù ú û ü ý þ ÿ İ ı IJ ij Ĵ ĵ Ķ ķ ĸ Ĺ Ł ł Ń ń Ņ ņ Ň ň ʼn Ŋ ŋ Ō ō Ŏ ŏ Ő ő Œ œ Ŕ ŕ Ŗ ŗ Ř ř Ś ş š Ţ ţ Ť ť Ŧ ŧ Ũ ũ Ū ū Ŭ ŭ Ů ů Ű ű Ų ų Ŵ ŵ Ŷ ŷ Ÿ Ź ź ƪ Ƶ ƺ ǀ ǁ ǂ ǃ DŽ Dž dž LJ Lj lj NJ Nj nj Ǎ ǎ Ǐ ǐ Ǒ ǒ Ǔ ǔ Ǖ ǖ ǘ Ǚ ǚ Ǜ ǜ ǝ Ǟ ǟ Ǡ ǡ Ǣ ǣ Ǥ ǥ Ǧ ǧ Ǩ ǩ Ǫ ǫ Ǭ ǭ Ǯ ǯ ǰ DZ Dz dz Ǵ ǵ Ƕ Ǹ ǹ Ǻ ǻ Ǽ ǽ Ǿ ǿ ...</pre>▼
▲All Unicode characters legal in names
▲Characters legal after $: 0 1 2 3 4 5 6 7 8 9 A B C D E F G H I J K L M N O P Q R S T U V W X Y Z _ a b c d e f g h i j k l m n o p q r s t u v w x y z ª µ º À Á Â Ã Ä Å Æ Ç È É Ê Ë Ì Í Î Ï Ð Ñ Ò Ó Ô Õ Ö Ø Ù Ú Û Ü Ý Þ ß à á â ã ä å æ ç è é ê ë ì í î ï ð ñ ò ó ô õ ö ø ù ú û ü ý þ ÿ İ ı IJ ij Ĵ ĵ Ķ ķ ĸ Ĺ Ł ł Ń ń Ņ ņ Ň ň ʼn Ŋ ŋ Ō ō Ŏ ŏ Ő ő Œ œ Ŕ ŕ Ŗ ŗ Ř ř Ś ş š Ţ ţ Ť ť Ŧ ŧ Ũ ũ Ū ū Ŭ ŭ Ů ů Ű ű Ų ų Ŵ ŵ Ŷ ŷ Ÿ Ź ź ƪ Ƶ ƺ ǀ ǁ ǂ ǃ DŽ Dž dž LJ Lj lj NJ Nj nj Ǎ ǎ Ǐ ǐ Ǒ ǒ Ǔ ǔ Ǖ ǖ ǘ Ǚ ǚ Ǜ ǜ ǝ Ǟ ǟ Ǡ ǡ Ǣ ǣ Ǥ ǥ Ǧ ǧ Ǩ ǩ Ǫ ǫ Ǭ ǭ Ǯ ǯ ǰ DZ Dz dz Ǵ ǵ Ƕ Ǹ ǹ Ǻ ǻ Ǽ ǽ Ǿ ǿ ...
=={{header|zkl}}==
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