Method: String#+@

Defined in:
string.c

#+ ⇒ self

Returns self if self is not frozen.

Otherwise. returns self.dup, which is not frozen.

Returns:

  • (self)
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# File 'string.c', line 2757

static VALUE
str_uplus(VALUE str)
{
    if (OBJ_FROZEN(str)) {
	return rb_str_dup(str);
    }
    else {
	return str;
    }
}