(define-library (scheme eval) (import (picrin base)) (define counter 0) (define-syntax (inc! n) #`(set! #,n (+ #,n 1))) (define (number->symbol n) (string->symbol (number->string n))) (define (environment specs) (let ((library-name `(picrin @@my-environment ,(number->symbol counter)))) (inc! counter) (let ((lib (make-library library-name))) (eval `(import ,@specs) lib) lib))) (export environment eval))