string.c: add String#delete_prefix and String#delete_prefix! to remove leading substr [Feature #12694] [fix GH-1632]
string.c (rb_str_delete_prefix_bang): add a new method to remove prefix destuctively.
string.c (rb_str_delete_prefix): add a new method to remove prefix non-destuctively.
test/ruby/test_string.rb: add tests.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@59132 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
string.c: add String#delete_prefix and String#delete_prefix!
to remove leading substr [Feature #12694] [fix GH-1632]
string.c (rb_str_delete_prefix_bang): add a new method
to remove prefix destuctively.
string.c (rb_str_delete_prefix): add a new method
to remove prefix non-destuctively.
test/ruby/test_string.rb: add tests.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@59132 b2dd03c8-39d4-4d8f-98ff-823fe69b080e