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* string.c: Document current behavior for other case mapping methods

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on String. [ci skip]


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@55217 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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duerst 2016-05-30 12:15:41 +00:00
parent 632097082b
commit ae4fba3167
2 changed files with 34 additions and 16 deletions
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ChangeLog
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@ -1,3 +1,8 @@
Mon May 30 21:15:37 2016 Martin Duerst <duerst@it.aoyama.ac.jp>
* string.c: Document current behavior for other case mapping methods
on String. [ci skip]
Mon May 30 20:00:25 2016 Martin Duerst <duerst@it.aoyama.ac.jp> Mon May 30 20:00:25 2016 Martin Duerst <duerst@it.aoyama.ac.jp>
* string.c: Document current situation for String#downcase. [ci skip] * string.c: Document current situation for String#downcase. [ci skip]

31
string.c
View File

@ -5828,10 +5828,12 @@ rb_str_casemap(VALUE source, OnigCaseFoldType *flags, rb_encoding *enc)
/* /*
* call-seq: * call-seq:
* str.upcase! -> str or nil * str.upcase! -> str or nil
* str.upcase!([options]) -> str or nil
* *
* Upcases the contents of <i>str</i>, returning <code>nil</code> if no changes * Upcases the contents of <i>str</i>, returning <code>nil</code> if no changes
* were made. * were made.
* Note: case replacement is effective only in ASCII region. *
* See String#downcase for meaning of +options+ and use with different encodings.
*/ */
static VALUE static VALUE
@ -5896,11 +5898,12 @@ rb_str_upcase_bang(int argc, VALUE *argv, VALUE str)
/* /*
* call-seq: * call-seq:
* str.upcase -> new_str * str.upcase -> new_str
* str.upcase([options]) -> new_str
* *
* Returns a copy of <i>str</i> with all lowercase letters replaced with their * Returns a copy of <i>str</i> with all lowercase letters replaced with their
* uppercase counterparts. The operation is locale insensitive---only * uppercase counterparts.
* characters ``a'' to ``z'' are affected. *
* Note: case replacement is effective only in ASCII region. * See String#downcase for meaning of +options+ and use with different encodings.
* *
* "hEllO".upcase #=> "HELLO" * "hEllO".upcase #=> "HELLO"
*/ */
@ -5916,10 +5919,12 @@ rb_str_upcase(int argc, VALUE *argv, VALUE str)
/* /*
* call-seq: * call-seq:
* str.downcase! -> str or nil * str.downcase! -> str or nil
* str.downcase!([options]) -> str or nil
* *
* Downcases the contents of <i>str</i>, returning <code>nil</code> if no * Downcases the contents of <i>str</i>, returning <code>nil</code> if no
* changes were made. * changes were made.
* Note: case replacement is effective only in ASCII region. *
* See String#downcase for meaning of +options+ and use with different encodings.
*/ */
static VALUE static VALUE
@ -6038,10 +6043,12 @@ rb_str_downcase(int argc, VALUE *argv, VALUE str)
/* /*
* call-seq: * call-seq:
* str.capitalize! -> str or nil * str.capitalize! -> str or nil
* str.capitalize!([options]) -> str or nil
* *
* Modifies <i>str</i> by converting the first character to uppercase and the * Modifies <i>str</i> by converting the first character to uppercase and the
* remainder to lowercase. Returns <code>nil</code> if no changes are made. * remainder to lowercase. Returns <code>nil</code> if no changes are made.
* Note: case conversion is effective only in ASCII region. *
* See String#downcase for meaning of +options+ and use with different encodings.
* *
* a = "hello" * a = "hello"
* a.capitalize! #=> "Hello" * a.capitalize! #=> "Hello"
@ -6094,10 +6101,12 @@ rb_str_capitalize_bang(int argc, VALUE *argv, VALUE str)
/* /*
* call-seq: * call-seq:
* str.capitalize -> new_str * str.capitalize -> new_str
* str.capitalize([options]) -> new_str
* *
* Returns a copy of <i>str</i> with the first character converted to uppercase * Returns a copy of <i>str</i> with the first character converted to uppercase
* and the remainder to lowercase. * and the remainder to lowercase.
* Note: case conversion is effective only in ASCII region. *
* See String#downcase for meaning of +options+ and use with different encodings.
* *
* "hello".capitalize #=> "Hello" * "hello".capitalize #=> "Hello"
* "HELLO".capitalize #=> "Hello" * "HELLO".capitalize #=> "Hello"
@ -6116,10 +6125,12 @@ rb_str_capitalize(int argc, VALUE *argv, VALUE str)
/* /*
* call-seq: * call-seq:
* str.swapcase! -> str or nil * str.swapcase! -> str or nil
* str.swapcase!([options]) -> str or nil
* *
* Equivalent to <code>String#swapcase</code>, but modifies the receiver in * Equivalent to <code>String#swapcase</code>, but modifies the receiver in
* place, returning <i>str</i>, or <code>nil</code> if no changes were made. * place, returning <i>str</i>, or <code>nil</code> if no changes were made.
* Note: case conversion is effective only in ASCII region. *
* See String#downcase for meaning of +options+ and use with different encodings.
*/ */
static VALUE static VALUE
@ -6164,10 +6175,12 @@ rb_str_swapcase_bang(int argc, VALUE *argv, VALUE str)
/* /*
* call-seq: * call-seq:
* str.swapcase -> new_str * str.swapcase -> new_str
* str.swapcase([options]) -> new_str
* *
* Returns a copy of <i>str</i> with uppercase alphabetic characters converted * Returns a copy of <i>str</i> with uppercase alphabetic characters converted
* to lowercase and lowercase characters converted to uppercase. * to lowercase and lowercase characters converted to uppercase.
* Note: case conversion is effective only in ASCII region. *
* See String#downcase for meaning of +options+ and use with different encodings.
* *
* "Hello".swapcase #=> "hELLO" * "Hello".swapcase #=> "hELLO"
* "cYbEr_PuNk11".swapcase #=> "CyBeR_pUnK11" * "cYbEr_PuNk11".swapcase #=> "CyBeR_pUnK11"