`fexpr_nargs`

Synopsis#include <flint/fexpr.h>

slong fexpr_nargs(const fexpr_t expr)source

Returns the number of arguments $n$ of the call $f(e_1, \ldots, e_n)$ , or $-1$ if expr is an atom.

Guides#

Building and printing expressions

Cite this page

The FLINT team, “fexpr_nargs (fexpr.h),” FLINT: Fast Library for Number Theory, documentation, version 3.7.0-dev, 2026. https://flintlib.org/doc/fexpr/fexpr_nargs.html (generated 2026-11-02).

@misc{flint-doc-fexpr-fexpr-nargs,
  author       = {{The FLINT team}},
  title        = {{fexpr\_nargs (fexpr.h)}},
  howpublished = {FLINT: Fast Library for Number Theory, documentation, version 3.7.0-dev},
  year         = {2026},
  url          = {https://flintlib.org/doc/fexpr/fexpr_nargs.html},
  note         = {Generated 2026-11-02}
}

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