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Add Deref implementation for HSTRING - #3291
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Build break is due to unrelated Rust nightly update - investigating. Workaround is here: #3292 |
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Nice! |
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| pub fn len(&self) -> usize { | ||
| if self.0.is_null() { | ||
| fn deref(&self) -> &[u16] { |
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What's the reason for this signature rather than its more conventional spelling
fn deref(&self) -> &Self::Target?
I'm just curious if there's a particular reason.
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No reason, just seemed more succinct in this case.
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The
HSTRINGtype represents a UTF-16 string that is modeled as a[u16]slice in Rust. This update replaces theas_widemethod to retrieve theHSTRINGas a slice with aDerefimplementation. This makes it a lot easier to work with anHSTRINGin Rust as conversion is implicit in many cases.The same is done for
BSTRfor consistency and code reduction.Fixes: rust-lang/rustup#3896 (comment)