list_tidiers: Tidiers for return values from functions that aren't S3 objects
Description
This method handles the return values of functions that return lists
rather than S3 objects, such as optim, and therefore cannot be
handled by S3 dispatch
Usage
## S3 method for class 'list':
tidy(x, ...)
## S3 method for class 'list':
glance(x, ...)
Arguments
x
list object
...
extra arguments, passed to the tidying function
Details
Those tiders themselves are implemented as functions of the
form tidy_ that are not exported.