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More control in with_direct_access_mut

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arkpar 2018-07-31 14:59:39 +02:00
parent fc7efb1674
commit ade597f188
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1 changed files with 5 additions and 4 deletions
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9
src/memory.rs
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@ -381,7 +381,7 @@ impl MemoryInstance {
/// # Panics /// # Panics
/// ///
/// Any call that requires write access to memory (such as [`set`], [`clear`], etc) made within /// Any call that requires write access to memory (such as [`set`], [`clear`], etc) made within
/// the closure will panic. Proceed with caution. /// the closure will panic. Note that the buffer size may be arbitraty. Proceed with caution.
/// ///
/// [`set`]: #method.get /// [`set`]: #method.get
/// [`clear`]: #method.set /// [`clear`]: #method.set
@ -395,14 +395,15 @@ impl MemoryInstance {
/// # Panics /// # Panics
/// ///
/// Any calls that requires either read or write access to memory (such as [`get`], [`set`], [`copy`], etc) made /// Any calls that requires either read or write access to memory (such as [`get`], [`set`], [`copy`], etc) made
/// within the closure will panic. Proceed with caution. /// within the closure will panic. Note that the buffer size may be arbitraty.
/// The closure may however resize it. Proceed with caution.
/// ///
/// [`get`]: #method.get /// [`get`]: #method.get
/// [`set`]: #method.set /// [`set`]: #method.set
/// [`copy`]: #method.copy /// [`copy`]: #method.copy
pub fn with_direct_access_mut<R, F: FnOnce(&mut [u8]) -> R>(&self, f: F) -> R { pub fn with_direct_access_mut<R, F: FnOnce(&mut Vec<u8>) -> R>(&self, f: F) -> R {
let mut buf = self.buffer.borrow_mut(); let mut buf = self.buffer.borrow_mut();
f(&mut *buf) f(&mut buf)
} }
} }