small & readable scheme interpreter in C++?

To fix this issue I am wondering whether there is a way to print objects in an “interpreter readable” way, which would do something looking like this: , Use dput() for this:

x <- c(1:5,8)
dput(x)
c(1, 2, 3, 4, 5, 8)

x <- matrix(1:4, ncol=2)
dput(x)
structure(1:4, .Dim = c(2L, 2L))

z <- structure(1:4, .Dim = c(2L, 2L))
z
     [,1] [,2]
[1,]    1    3
[2,]    2    4

wish helps you There is a difference:
intepret interprets one single expression. interpret-block takes the several statements in the one block expression and use interpret on each one. interpret will do the "right thing", like call interpret-declaration, based on the type of expression. interpret-block will have a vital role in state handling. eg. declare would return a new state that next statements needs to get as argument. I guess all calls to interpret gets a state back and in interpret-block would always return the passed state back to clear new bindings.

will help you So as stated in the comments, this is an issue with REPL printing, and the correct implementation is:

(quotation [(Q datum) $2])