# `•nc` — Name class

`•nc names` gives the class of each name: `¯1` invalid, `0` undefined,
`2` value, `3` function, `4` operator. A glyph or a system name, such as
`+` or `•json`, has class `3`. A character vector names one binding.
[Introspection](../introspection.ipynb) has examples.