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馃洡 JavaScript BigInt to WebAssembly i64 integration #7

binji opened this Issue Oct 16, 2018 · 0 comments


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binji commented Oct 16, 2018

This is a tracking issue for a post-MVP feature
It will be updated as the issue progresses.

Topic JavaScript BigInt to WebAssembly i64 integration
Champion Dan Ehrenberg @littledan
Status in progress
Phase proposed spec text available
Linked issues WebAssembly/spec#707
Linked repositories


With this patch, BigInts have support for bidirectionally converting
to 64-bit integer WebAssembly values, which appears as

  • Parameters and return values to exported WebAssembly functions
  • Parameters and return values to host functions
  • Imported and exported globals

BigInts can be read or written from WebAssembly memory using the
BigInt proposal's BigInt64Array or BigUint64Array; no additional
support is needed.

@WebAssembly WebAssembly locked and limited conversation to collaborators Oct 16, 2018

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