Cast an array to a timespan
     
    
    Usage
    # S3 method for timespan.double
vec_cast(x, to, ...)
 
     
    
    Arguments
    - x
 
Vectors to cast.
 
- to
 
Type to cast to. If NULL, x will be returned as is.
 
- ...
 
For vec_cast_common(), vectors to cast. For
vec_cast(), vec_cast_default(), and vec_restore(), these
dots are only for future extensions and should be empty.
 
 
    
    Value
    
A partial_timespan vector