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Improve documentation for String #138

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11 changes: 9 additions & 2 deletions string.c
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Original file line number Diff line number Diff line change
Expand Up @@ -1148,6 +1148,9 @@ rb_str_length(VALUE str)
* str.bytesize -> integer
*
* Returns the length of <i>str</i> in bytes.
*
* "\x80\u3042".bytesize #=> 4
* "hello".bytesize #=> 5
*/

static VALUE
Expand All @@ -1163,6 +1166,7 @@ rb_str_bytesize(VALUE str)
* Returns <code>true</code> if <i>str</i> has a length of zero.
*
* "hello".empty? #=> false
* " ".empty? #=> false
* "".empty? #=> true
*/

Expand Down Expand Up @@ -1210,9 +1214,10 @@ rb_str_plus(VALUE str1, VALUE str2)
* str * integer -> new_str
*
* Copy---Returns a new <code>String</code> containing <i>integer</i> copies of
* the receiver.
* the receiver. <i>integer</i> must be greater than or equal to 0.
*
* "Ho! " * 3 #=> "Ho! Ho! Ho! "
* "Ho! " * 0 #=> ""
*/

VALUE
Expand Down Expand Up @@ -4534,6 +4539,8 @@ rb_str_inspect(VALUE str)
*
* Produces a version of <i>str</i> with all nonprinting characters replaced by
* <code>\nnn</code> notation and all special characters escaped.
*
* "hello \n ''".dump #=> "\"hello \\n ''\"
*/

VALUE
Expand Down Expand Up @@ -7126,7 +7133,7 @@ rb_str_rjust(int argc, VALUE *argv, VALUE str)

/*
* call-seq:
* str.center(integer, padstr) -> new_str
* str.center(integer, padstr='') -> new_str
*
* If <i>integer</i> is greater than the length of <i>str</i>, returns a new
* <code>String</code> of length <i>integer</i> with <i>str</i> centered and
Expand Down