R version 4.5.0 RC (2025-04-04 r88118 ucrt) -- "How About a Twenty-Six"
Copyright (C) 2025 The R Foundation for Statistical Computing
Platform: x86_64-w64-mingw32/x64

R is free software and comes with ABSOLUTELY NO WARRANTY.
You are welcome to redistribute it under certain conditions.
Type 'license()' or 'licence()' for distribution details.

R is a collaborative project with many contributors.
Type 'contributors()' for more information and
'citation()' on how to cite R or R packages in publications.

Type 'demo()' for some demos, 'help()' for on-line help, or
'help.start()' for an HTML browser interface to help.
Type 'q()' to quit R.

> library(CloneSeeker)
> 
> new("WeightVector")
An object of class "WeightVector"
Slot "psi":
[1] 1

> new("WeightVector", 1:3)
An object of class "WeightVector"
Slot "psi":
[1] 0.1666667 0.3333333 0.5000000

> try( new("WeightVector", 0) )
Error in .local(.Object, ...) : 
  At least one psi component must be larger than zero.
> try( new("WeightVector", -1:3) )
Error in .local(.Object, ...) : Psi should not contain negative values.
> 
> WeightVector(1:4)
An object of class "WeightVector"
Slot "psi":
[1] 0.1 0.2 0.3 0.4

> try( WeightVector(0) )
Error in .local(.Object, ...) : 
  At least one psi component must be larger than zero.
> try( WeightVector(-1:3) )
Error in .local(.Object, ...) : Psi should not contain negative values.
> try( WeightVector(LETTERS[1:3]) )
Error in sum(psi) : invalid 'type' (character) of argument
> try( WeightVector(c(1, 2, 'a')) )
Error in sum(psi) : invalid 'type' (character) of argument
> 
> wv <- WeightVector(4:1)
> as(wv, "numeric")
[1] 0.4 0.3 0.2 0.1
> 
> try( as.numeric(wv) ) # doesn't play well in the methods sandbox
Error in as.numeric(wv) : 
  cannot coerce type 'S4' to vector of type 'double'
> 
> canCoerce(wv, "numeric")
[1] TRUE
> # bug in R core fixed in going from 3.5 to 3.6
> ifelse(getRversion() < "3.6.0",
+   !canCoerce(wv, "double"),   # fails in older versions
+   canCoerce(wv, "double"))    # works in newer versions
[1] TRUE
> 
> proc.time()
   user  system elapsed 
   1.23    0.48    1.70