math.NAN

FLOAT, read-only, constant.

Available inall subroutines.

A value that is not a number. When converted to a STRING value, this is rendered as NaN.

Floating Point Classifications

See the documentation on the FLOAT type for details on these classifications.

Try it out

math.NAN is used in the following code examples. Examples apply VCL to real-world use cases and can be deployed as they are, or adapted for your own service. See the full list of code examples for more inspiration.

Click RUN on a sample below to provision a Fastly service, execute the code on Fastly, and see how the function behaves.

Comprehensive logging

Fastly offers a myriad of different variables that you can log. See and test a large collection here.