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authorDan Gohman <sunfish@mozilla.com>2016-02-19 16:19:21 -0800
committerDan Gohman <sunfish@mozilla.com>2016-02-19 16:20:37 -0800
commit953a1b0e7bb9f5cdcb1d3e2718bf2a5779c6fec2 (patch)
tree98d34e226ce6dc5118656a465b0b93bea6012316 /AstSemantics.md
parentaea48078aef9fbcaf52b3f728c2231b2fe375437 (diff)
downloadnanowasm-design-953a1b0e7bb9f5cdcb1d3e2718bf2a5779c6fec2.tar.gz
Make `grow_memory` return the old memory size.
This implements the discussion in bug #525.
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@@ -206,7 +206,7 @@ which is 64KiB on all engines (though large page support may be added in
the [future](FutureFeatures.md#large-page-support)).
* `grow_memory` : grow linear memory by a given unsigned delta which
- must be a multiple of the page size.
+ must be a multiple of the page size. Return the previous memory size.
As stated [above](AstSemantics.md#linear-memory), linear memory is contiguous,
meaning there are no "holes" in the linear address space. After the