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Catch empty input

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This commit is contained in:
Devine Lu Linvega 2019-07-15 14:28:49 +09:00
parent ef9e72cdcd
commit 5c6e78eab5
1 changed files with 2 additions and 0 deletions
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2
desktop/sources/scripts/lisp.js
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@ -66,6 +66,8 @@ function Lisp (input, lib) {
} }
const interpret = function (input, context) { const interpret = function (input, context) {
if (!input) { return null }
if (context === undefined) { if (context === undefined) {
return interpret(input, new Context(lib)) return interpret(input, new Context(lib))
} else if (input instanceof Array) { } else if (input instanceof Array) {