Feature #13077 ยป 0001-introduce-String-fstring-method.patch
| string.c | ||
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}
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}
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/*
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* call-seq:
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* str.fstring -> str2
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* str2.fstring -> str2
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*
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* Returns a deduplicated and frozen string identical in content
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* to <i>str</i>. If <i>str</i> was already deduplicated and
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* frozen (e.g. frozen string literal), then <i>str</i> itself
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* is returned.
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*/
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RUBY_FUNC_EXPORTED
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VALUE
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rb_fstring(VALUE str)
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| ... | ... | |
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rb_define_method(rb_cString, "b", rb_str_b, 0);
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rb_define_method(rb_cString, "valid_encoding?", rb_str_valid_encoding_p, 0);
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rb_define_method(rb_cString, "ascii_only?", rb_str_is_ascii_only_p, 0);
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rb_define_method(rb_cString, "fstring", rb_fstring, 0);
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rb_fs = Qnil;
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rb_define_hooked_variable("$;", &rb_fs, 0, rb_fs_setter);
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| test/ruby/test_string.rb | ||
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assert_equal("\u3042", "\u3042\u3043".chr)
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assert_equal('', ''.chr)
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end
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def test_fstring
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ts = 'fstring test case'.freeze
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tmp = ts.dup
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assert_same ts, tmp.fstring
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assert_not_predicate tmp, :frozen?
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assert_predicate tmp.fstring, :frozen?
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end
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end
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class TestString2 < TestString
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-
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