This function injects the calculate function with the specified arguments,
allowing for dynamic customization of the function's behavior.
     
    
    Usage
    inject_calculate(covariate, locs, injection)
 
     
    
    Arguments
- covariate
 
character(1). The name of the covariate to be calculated.
 
- locs
 
The locations to be used in the calculation.
 
- injection
 
Additional arguments to be injected into
the calculate function.
 
 
    
    Value
    The result of the calculate function with the injected arguments.
     
    
    Examples
    if (FALSE) { # \dontrun{
inject_calculate(
  locs = my_locs, buffer = 10, domain = my_domain,
  injection = list(arg1 = "value1", arg2 = "value2")
)
} # }