What ⨠ means
It connects each matching output to an input.
A Z schema is a named description of a system state or operation. In Z, ? marks an input and ! an output.
Z notation grew from work in the 1970s to specify computer systems; piping is one operation in its schema calculus.
A specialist operator in Z’s schema calculus.
It is not a generic programming pipe.
Don't confuse it with
1Questions people ask
1Why does ⨠ show as a box on some devices?
Because that device's fonts have no glyph for it. The character is still correct and still copies correctly — the box is a missing glyph, not a broken character.
How to type or find ⨠
- Search it as
- z pipe · z schema pipe · schema piping · z notation pipe symbol · z schema piping
- Shows up in
- Anything that takes text · its shape is whatever your font draws
⨠\2A20S >> T with two ordinary greater-than signs.Codes and encoding1 code points
A visible symbol can contain several code points. JS .length counts UTF-16 units; UTF-8 counts bytes.




