string-set!
(string-set! string k char)
Stores char at index k of string, returning the unspecified value. Every string is mutable, string literals included: R7RS makes modifying a literal an error, rontolisp does not refuse it.
(string-set! string k char)
Stores char at index k of string, returning the unspecified value. Every string is mutable, string literals included: R7RS makes modifying a literal an error, rontolisp does not refuse it.