diff options
author | Burdette Lamar <BurdetteLamar@Yahoo.com> | 2022-03-18 17:17:00 -0500 |
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committer | GitHub <noreply@github.com> | 2022-03-18 17:17:00 -0500 |
commit | d52f41b765b5992ee562cda6bd32fdd8f54b0091 (patch) | |
tree | 027933fa886c64d9efc6006cc9f3221d0390a3d5 /doc | |
parent | 97426e15d721119738a548ecfa7232b1d027cd34 (diff) |
[DOC] Enhanced RDoc for String (#5675)
Treats:
#split
#each_line
#lines
#each_byte
#bytes
Notes
Notes:
Merged-By: BurdetteLamar <BurdetteLamar@Yahoo.com>
Diffstat (limited to 'doc')
-rw-r--r-- | doc/string.rdoc | 129 |
1 files changed, 116 insertions, 13 deletions
diff --git a/doc/string.rdoc b/doc/string.rdoc index 6c3ced298a..a4423c9d9b 100644 --- a/doc/string.rdoc +++ b/doc/string.rdoc @@ -49,24 +49,127 @@ class String end # call-seq: - # split(separator = $;, limit = nil) -> array - # split(separator = $;, limit = nil) {|substring| ... } -> self + # bytes -> array_of_bytes + # + # Returns an array of the bytes in +self+: + # + # 'hello'.bytes # => [104, 101, 108, 108, 111] + # 'тест'.bytes # => [209, 130, 208, 181, 209, 129, 209, 130] + # 'こんにちは'.bytes + # # => [227, 129, 147, 227, 130, 147, 227, 129, 171, 227, 129, 161, 227, 129, 175] + # + def bytes; end + + # call-seq: + # each_byte {|byte| ... } -> self + # each_byte -> enumerator + # + # Calls the given block with each successive byte from +self+; + # returns +self+: + # + # 'hello'.each_byte {|byte| print byte, ' ' } + # print "\n" + # 'тест'.each_byte {|byte| print byte, ' ' } + # print "\n" + # 'こんにちは'.each_byte {|byte| print byte, ' ' } + # print "\n" + # + # Output: + # + # 104 101 108 108 111 + # 209 130 208 181 209 129 209 130 + # 227 129 147 227 130 147 227 129 171 227 129 161 227 129 175 + # + # Returns an enumerator if no block is given. + def each_byte; end + + + # call-seq: + # each_line(line_sep = $/, chomp: false) {|substring| ... } -> self + # each_line(line_sep = $/, chomp: false) -> enumerator + # + # With a block given, forms the substrings ("lines") + # that are the result of splitting +self+ + # at each occurrence of the given line separator +line_sep+; + # passes each line to the block; + # returns +self+: + # + # s = <<~EOT + # This is the first line. + # This is line two. + # + # This is line four. + # This is line five. + # EOT + # + # s.each_line {|line| p line } + # + # Output: + # + # "This is the first line.\n" + # "This is line two.\n" + # "\n" + # "This is line four.\n" + # "This is line five.\n" + # + # With a different +line_sep+: + # + # s.each_line(' is ') {|line| p line } + # + # Output: + # + # "This is " + # "the first line.\nThis is " + # "line two.\n\nThis is " + # "line four.\nThis is " + # "line five.\n" + # + # With +chomp+ as +true+, removes the trailing +line_sep+ from each line: + # + # s.each_line(chomp: true) {|line| p line } + # + # Output: + # + # "This is the first line." + # "This is line two." + # "" + # "This is line four." + # "This is line five." + # + # With an empty string as +line_sep+, + # forms and passes "paragraphs" by splitting at each occurrence + # of two or more newlines: + # + # s.each_line('') {|line| p line } + # + # Output: + # + # "This is the first line.\nThis is line two.\n\n" + # "This is line four.\nThis is line five.\n" + # + # With no block given, returns an enumerator. + # + def each_line; end + + # call-seq: + # split(field_sep = $;, limit = nil) -> array + # split(field_sep = $;, limit = nil) {|substring| ... } -> self # # Returns an array of substrings of +self+ # that are the result of splitting +self+ - # at each occurrence of the given +separator+. + # at each occurrence of the given field separator +field_sep+. # - # When argument +separator+ is <tt>$;</tt>: + # When +field_sep+ is <tt>$;</tt>: # # - If <tt>$;</tt> is +nil+ (its default value), - # the split occurs just as if +separator+ were given as a space character + # the split occurs just as if +field_sep+ were given as a space character # (see below). # # - If <tt>$;</tt> is a string, - # the split ocurs just as if +separator+ were given as that string + # the split ocurs just as if +field_sep+ were given as that string # (see below). # - # When argument +separator+ is <tt>' '</tt> and argument +limit+ is +nil+, + # When +field_sep+ is <tt>' '</tt> and +limit+ is +nil+, # the split occurs at each sequence of whitespace: # # 'abc def ghi'.split(' ') # => ["abc", "def", "ghi"] @@ -74,9 +177,9 @@ class String # 'abc def ghi'.split(' ') # => ["abc", "def", "ghi"] # ''.split(' ') # => [] # - # When argument +separator+ is a string different from <tt>' '</tt> - # and argument +limit+ is +nil+, - # the split occurs at each occurrence of the separator; + # When +field_sep+ is a string different from <tt>' '</tt> + # and +limit+ is +nil+, + # the split occurs at each occurrence of +field_sep+; # trailing empty substrings are not returned: # # 'abracadabra'.split('ab') # => ["", "racad", "ra"] @@ -87,7 +190,7 @@ class String # 'тест'.split('т') # => ["", "ес"] # 'こんにちは'.split('に') # => ["こん", "ちは"] # - # When argument +separator+ is a Regexp and argument +limit+ is +nil+, + # When +field_sep+ is a Regexp and +limit+ is +nil+, # the split occurs at each occurrence of a match; # trailing empty substrings are not returned: # @@ -101,7 +204,7 @@ class String # # '1:2:3'.split(/(:)()()/, 2) # => ["1", ":", "", "", "2:3"] # - # As seen above, if argument +limit+ is +nil+, + # As seen above, if +limit+ is +nil+, # trailing empty substrings are not returned; # the same is true if +limit+ is zero: # @@ -118,7 +221,7 @@ class String # 'aaabcdaaa'.split('a', 7) # => ["", "", "", "bcd", "", "", ""] # 'aaabcdaaa'.split('a', 8) # => ["", "", "", "bcd", "", "", ""] # - # Note that if +separator+ is a \Regexp containing groups, + # Note that if +field_sep+ is a \Regexp containing groups, # their matches are in the returned array, but do not count toward the limit. # # If +limit+ is negative, it behaves the same as if +limit+ was +nil+, |