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support seamless slice in expects

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Brendan Hansknecht 2023-12-02 15:49:35 -08:00
parent 66fa633fde
commit 5dd0bdebc9
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5 changed files with 14 additions and 8 deletions
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3
crates/repl_wasm/src/repl.rs
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@ -87,7 +87,8 @@ impl<'a> ReplAppMemory for WasmMemory<'a> {
&self.copied_bytes[addr..][..len]
} else {
let chars_index = self.deref_usize(addr);
let len = self.deref_usize(addr + 4);
let seamless_slice_mask = u32::MAX as usize >> 1;
let len = self.deref_usize(addr + 4) & seamless_slice_mask;
&self.copied_bytes[chars_index..][..len]
};