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authorbors[bot] <26634292+bors[bot]@users.noreply.github.com>2020-10-17 11:31:37 +0100
committerGitHub <[email protected]>2020-10-17 11:31:37 +0100
commitb1315be010f0d9f67ee4794cb57f7d1baa88a30d (patch)
treeb4259ce1810c3cd6c2bea62bae499415b764728d /crates/cfg
parent59483c217662fc5d89ef9da1cb93760e14a48418 (diff)
parent99c435939c941fe5216c39bc136769098abbbfea (diff)
Merge #6262
6262: Do not spawn redundant hints r=SomeoneToIgnore a=popzxc Closes #5206 This is a second part of the fix (first was #5997). This PR adds a new method to the `CompletionContext`: `no_completion_required`. If this method returns `true`, it essentially means that user is unlikely to expect any hints from the IDE at this cursor position. Currently, checks for the following cases were added: - Previous item is `fn`: user creates a new function, names of existing functions won't be helpful. Exception for this case is `impl Foo for Bar` -- we must suggest trait function names. - User entered `for _ i<|>`: it's obviously going to be `in` keyword, any hints here will be confusing. More checks may be added there later, but currently I've only figured two cases. ![no_redundant_hints](https://user-images.githubusercontent.com/12111581/96332088-da4d2a00-106a-11eb-89a1-1159ece18f9d.png) Co-authored-by: Igor Aleksanov <[email protected]>
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