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use stdx::never

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This commit is contained in:
Jonas Schievink 2022-04-07 15:55:44 +02:00
parent 67495b618b
commit 16d0f724b6
1 changed files with 11 additions and 4 deletions
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15
crates/hir_def/src/data.rs
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@ -58,10 +58,17 @@ pub(crate) fn fn_data_query(db: &dyn DefDatabase, func: FunctionId) -> Arc<Funct
}
if flags.bits & FnFlags::HAS_SELF_PARAM != 0 {
// If there's a self param in the syntax, but it is cfg'd out, remove the flag.
cov_mark::hit!(cfgd_out_self_param);
let param =
func.params.clone().next().expect("fn HAS_SELF_PARAM but no parameters allocated");
if !item_tree.attrs(db, krate, param.into()).is_cfg_enabled(cfg_options) {
let is_cfgd_out = match func.params.clone().next() {
Some(param) => {
!item_tree.attrs(db, krate, param.into()).is_cfg_enabled(cfg_options)
}
None => {
stdx::never!("fn HAS_SELF_PARAM but no parameters allocated");
true
}
};
if is_cfgd_out {
cov_mark::hit!(cfgd_out_self_param);
flags.bits &= !FnFlags::HAS_SELF_PARAM;
}
}