Werner Henze 2231d733c6 zstring_span: fix for Expects, simplify functions ... - `s[s.size() - 1]` is wrong for empty `s`, so `Expects(s.size() > 0)` - no hard coded `'\0'`but `value_type{}` - hard code `empty()` to return `false` - simplify `as_string_span`: can never be `empty` - clarify comment on `ensure_z`		2020-08-06 11:25:29 +02:00
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gsl	zstring_span: fix for Expects, simplify functions	2020-08-06 11:25:29 +02:00