September 2018
Intermediate to advanced
328 pages
9h 10m
English
Content preview from Learn WebAssembly
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Reference types
Reference types, currently in Phase 3, form the basis for the host bindings and GC features. The proposal documentation at https://github.com/WebAssembly/reference-types/blob/master/proposals/reference-types/Overview.md describes the addition of a new type, anyref, which can be used as both a value type and a table element type. The anyref type allows you to pass a JavaScript object to a Wasm module. Eberhardt describes the implications of this feature in his blog post:
"The wasm module can't really do much with the object via the anyref type. What's more important is that the module is holding a reference to a garbage collected object on the JS heap, meaning they need to be traced during wasm execution. This proposal is seen ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.