Created
April 25, 2013 13:23
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lexical binding in elisp
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| (require 'cl) | |
| (defun make-greeter (greeting-prefix) | |
| (lexical-let ((greeting-prefix greeting-prefix)) | |
| (lambda (username) (concat greeting-prefix ", " username)))) | |
| (let ((f (make-greeter "hello"))) | |
| (funcall f "world")) | |
| (funcall (make-greeter "hello") "world") |
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