fix following error Error in obj$print $<-$ print$\_$obj :

object of type 'closure' is not subsettable

in code:

randomVariate $<-$ function$($distFormula$,$ defs$)\{$

# Constructor method

obj $<-$ function$($n$)\{$

# Function to evaluate the formula and sample from distributions

eval$($distFormula$,$ defs, parent.frame$())$ # Evaluate the formula with provided definitions

$\}$

# Print method

print$\_$obj $<-$ function$()\{$

cat$("$Formula:$",$ deparse$($distFormula$),"$

$")$

cat$("$Definitions:

$")$

for $($key in names$($defs$))\{$

cat$($key$,"---",$ deparse$($defs$[[$key$]]),"$

$")$

$\}$

$\}$

# Set print method

class$($obj$)<-$ c$("$randomVariate$",$ class$($obj$))$

obj$print $<-$ print$\_$obj

return$($obj$)$

$\}$

# Example usage

set.seed$(123)$ # for reproducibility

# Define a new random variable

newDist $<-$ randomVariate$($

distFormula $=$ ~x$^2,$

defs $=$ list$($x $=$ function$($n$)$ rnorm$($n$))$

$)$

# Print the object

print$($newDist$)$

# Generate a random sample

sample$1<-$ newDist$(10^5)$

# Plot a histogram of the sample

hist$($sample$1,$ breaks $=$ "Scott", probability $=$ TRUE, col $=$ rgb$(1,0,1,2),$ density $=20,$ angle $=45)$

lines$($density$($sample$1,$ adjust $=5),$ col $=$ rgb$(1,0,1,1))$