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Remove obsolete comparison LHS code #21582

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merged 1 commit into from
Apr 27, 2017
Merged

Remove obsolete comparison LHS code #21582

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9 changes: 2 additions & 7 deletions src/julia-syntax.scm
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Original file line number Diff line number Diff line change
Expand Up @@ -1865,18 +1865,13 @@
(define lhs (cadr e))
(define (function-lhs? lhs)
(and (pair? lhs)
(or (and (eq? (car lhs) 'comparison) (length= lhs 4))
(eq? (car lhs) 'call)
(or (eq? (car lhs) 'call)
(eq? (car lhs) 'where)
(and (eq? (car lhs) '|::|)
(pair? (cadr lhs))
(eq? (car (cadr lhs)) 'call)))))
(define (assignment-to-function lhs e) ;; convert '= expr to 'function expr
(if (eq? (car lhs) 'comparison)
;; allow defining functions that use comparison syntax
(list* 'function
`(call ,(caddr lhs) ,(cadr lhs) ,(cadddr lhs)) (cddr e))
(cons 'function (cdr e))))
(cons 'function (cdr e)))
(cond
((function-lhs? lhs)
(expand-forms (assignment-to-function lhs e)))
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