Graphmath.Quatern.get_pitch

You're seeing just the function get_pitch, go back to Graphmath.Quatern module for more information.
Link to this function

get_pitch(quat)

Specs

get_pitch(quatern()) :: float()

pitch(quat) Calculate the local pitch element of a quaternion.

quat is the quatern

It returns a float representing the pitch of the quaternion in Radians.