scheme:tldr:a3fb0

scheme: Load scheme expressions into the REPL.

scheme

$ scheme --eval "${(define foo 'x)}"

try on your machine

This command is using the Scheme programming language to evaluate the expression ${(define foo 'x)}.

In Scheme, the define keyword is used to create a new binding between a symbol (in this case, foo) and a value (in this case, the symbol x). The expression (define foo 'x) is defining a new variable named foo and assigning it the value x.

The command is using the --eval option of the scheme program to tell it to evaluate the following expression. The expression is enclosed in double quotes to ensure it is treated as a single argument by the command line interpreter.

So, when you run this command, it will start a Scheme interpreter and tell it to evaluate (define foo 'x). This will create a variable foo with the value x in the Scheme environment.

This explanation was created by an AI. In most cases those are correct. But please always be careful and never run a command you are not sure if it is safe.

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