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Code Issues 1 Releases Wiki Activity

simplify if-let logic

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primo-ppcg
2023-06-11 12:09:58 +07:00
parent 94722e566c
commit 2c3ca2984e
1 changed files with 1 additions and 15 deletions
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16
src/boot/boot.janet
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@@ -674,21 +674,7 @@
(do
(def bl (in bindings i))
(def br (in bindings (+ 1 i)))
(def atm (idempotent? bl))
(def sym (if atm bl (gensym)))
(if atm
# Simple binding
(tuple 'do
(tuple 'def sym br)
(tuple 'if sym (aux (+ 2 i)) fal))
# Destructured binding
(tuple 'do
(tuple 'def sym br)
(tuple 'if sym
(tuple 'do
(tuple 'def bl sym)
(aux (+ 2 i)))
fal))))))
(tuple 'if (tuple 'def bl br) (aux (+ 2 i)) fal))))
(aux 0))
(defmacro when-let