83 lines
2.5 KiB
Factor
83 lines
2.5 KiB
Factor
USING: help.markup help.syntax ;
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IN: ascii
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HELP: blank?
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{ $values { "ch" "a character" } { "?" "a boolean" } }
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{ $description "Tests for an ASCII whitespace character." } ;
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HELP: letter?
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{ $values { "ch" "a character" } { "?" "a boolean" } }
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{ $description "Tests for a lowercase alphabet ASCII character." } ;
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HELP: LETTER?
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{ $values { "ch" "a character" } { "?" "a boolean" } }
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{ $description "Tests for a uppercase alphabet ASCII character." } ;
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HELP: digit?
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{ $values { "ch" "a character" } { "?" "a boolean" } }
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{ $description "Tests for an ASCII decimal digit character." } ;
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HELP: Letter?
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{ $values { "ch" "a character" } { "?" "a boolean" } }
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{ $description "Tests for an ASCII alphabet character, both upper and lower case." } ;
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HELP: alpha?
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{ $values { "ch" "a character" } { "?" "a boolean" } }
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{ $description "Tests for an alphanumeric ASCII character." } ;
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HELP: printable?
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{ $values { "ch" "a character" } { "?" "a boolean" } }
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{ $description "Tests for a printable ASCII character." } ;
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HELP: control?
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{ $values { "ch" "a character" } { "?" "a boolean" } }
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{ $description "Tests for an ASCII control character." } ;
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HELP: quotable?
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{ $values { "ch" "a character" } { "?" "a boolean" } }
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{ $description "Tests for characters which may appear in a Factor string literal without escaping." } ;
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HELP: ascii?
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{ $values { "ch" "a character" } { "?" "a boolean" } }
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{ $description "Tests for whether a number is an ASCII character." } ;
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HELP: ch>lower
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{ $values { "ch" "a character" } { "lower" "a character" } }
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{ $description "Converts an ASCII character to lower case." } ;
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HELP: ch>upper
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{ $values { "ch" "a character" } { "upper" "a character" } }
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{ $description "Converts an ASCII character to upper case." } ;
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HELP: >lower
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{ $values { "str" "a string" } { "lower" "a string" } }
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{ $description "Converts an ASCII string to lower case." } ;
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HELP: >upper
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{ $values { "str" "a string" } { "upper" "a string" } }
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{ $description "Converts an ASCII string to upper case." } ;
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ARTICLE: "ascii" "ASCII"
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"The " { $vocab-link "ascii" } " vocabulary implements support for the legacy ASCII character set. Most applications should use " { $link "unicode" } " instead."
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$nl
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"ASCII character classes:"
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{ $subsections
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blank?
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letter?
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LETTER?
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digit?
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printable?
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control?
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quotable?
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ascii?
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}
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"ASCII case conversion:"
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{ $subsections
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ch>lower
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ch>upper
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>lower
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>upper
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} ;
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ABOUT: "ascii"
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