Query.one_or_none
As exactly_one, with Ok None for an empty sequence. Order and duplicate entries count toward cardinality; values are not deduplicated.
Source and package
- Qualified name
-
Libtmux.Query. one _or _none - Module
- Libtmux
- Declared in
Query- Package
- libtmux
- Source
- lib/libtmux.mli
-
Public owner:
Libtmux
Guides#
Pages that discuss one_or_none.