# libtmux::FilterExpr::Negation

- **Module:** libtmux::FilterExpr
- **Package:** libtmux-cxx
- **Language:** C++
- **Kind:** struct
- **Source:** https://github.com/libtmux/libtmux-cxx/blob/393d4b0ad666f18a6581f1eb281741a75a7503f0/include/libtmux/filter_expr.hpp#L90
- **Page:** https://libtmux.org/en/cxx/latest/reference/libtmux-filterexpr-negation/

One expression inverted.

Held indirectly because a node cannot contain itself by value.

## Members

- `operand` (attribute)