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NicolaeNMV/simple.js

Last active August 29, 2015 14:15
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Flow type VS Typescript at detecting non existing JSON elements
Raw
simple.js
/* @flow */
var a = {
"a":"a",
"b":"b"
}
var res = a.c;
// $ flow simple.js
// $ No errors!
// $ tsc simple.ts
// $ simple.ts(7,13): error TS2339: Property 'c' does not exist on type '{ "a": string; "b": string; }'.
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