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Merge #3395

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3395: Tighten up an assert r=matklad a=matklad



bors r+
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Co-authored-by: Aleksey Kladov <aleksey.kladov@gmail.com>
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bors[bot] 2020-03-02 12:46:20 +00:00 committed by GitHub
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crates/rust-analyzer/src/main_loop/handlers.rs
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@ -184,6 +184,10 @@ pub fn handle_on_type_formatting(
// `text.char_at(position) == typed_char`.
position.offset -= TextUnit::of_char('.');
let char_typed = params.ch.chars().next().unwrap_or('\0');
assert!({
let text = world.analysis().file_text(position.file_id)?;
text[position.offset.to_usize()..].starts_with(char_typed)
});
// We have an assist that inserts ` ` after typing `->` in `fn foo() ->{`,
// but it requires precise cursor positioning to work, and one can't