Maintenance Ruby 3.3 gets fixes, but no new features. Switch to Ruby 4.0 →
instance method
String#succ!
succ! → self
string.c
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static VALUE
rb_str_succ_bang(VALUE str)
{
rb_str_modify(str);
str_succ(str);
return str;
}
Equivalent to String#succ, but modifies self in place; returns self.