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tweak syntax

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This commit is contained in:
Jess Balint 2020-05-22 19:09:37 -05:00
parent d42fd8efb6
commit 4967b811dd
1 changed files with 41 additions and 50 deletions
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17
crates/ra_assists/src/handlers/change_lifetime_anon_to_named.rs
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@ -37,8 +37,7 @@ pub(crate) fn change_lifetime_anon_to_named(acc: &mut Assists, ctx: &AssistConte
// only allow naming the last anonymous lifetime
return None;
}
match lifetime_arg.syntax().ancestors().find_map(ast::ImplDef::cast) {
Some(impl_def) => {
let impl_def = lifetime_arg.syntax().ancestors().find_map(ast::ImplDef::cast)?;
// get the `impl` keyword so we know where to add the lifetime argument
let impl_kw = impl_def.syntax().first_child_or_token()?.into_token()?;
if impl_kw.kind() != SyntaxKind::IMPL_KW {
@ -73,22 +72,14 @@ pub(crate) fn change_lifetime_anon_to_named(acc: &mut Assists, ctx: &AssistConte
);
}
None => {
builder.insert(
impl_kw.text_range().end(),
format!("<'{}>", new_lifetime_param),
);
builder
.insert(impl_kw.text_range().end(), format!("<'{}>", new_lifetime_param));
}
}
builder.replace(
lifetime_arg.syntax().text_range(),
format!("'{}", new_lifetime_param),
);
builder.replace(lifetime_arg.syntax().text_range(), format!("'{}", new_lifetime_param));
},
)
}
_ => None,
}
}
#[cfg(test)]
mod tests {