bjoernager/rust
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Use Option::is_some_and and Result::is_ok_and in the compiler

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This commit is contained in:
Maybe Waffle 2023-05-24 14:19:22 +00:00
parent 70db836922
commit fb0f74a8c9
87 changed files with 148 additions and 158 deletions
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4
compiler/rustc_feature/src/builtin_attrs.rs
View file

@ -861,11 +861,11 @@ pub fn is_builtin_attr_name(name: Symbol) -> bool {
/// Whether this builtin attribute is only used in the local crate.
/// If so, it is not encoded in the crate metadata.
pub fn is_builtin_only_local(name: Symbol) -> bool {
BUILTIN_ATTRIBUTE_MAP.get(&name).map_or(false, |attr| attr.only_local)
BUILTIN_ATTRIBUTE_MAP.get(&name).is_some_and(|attr| attr.only_local)
}
pub fn is_valid_for_get_attr(name: Symbol) -> bool {
BUILTIN_ATTRIBUTE_MAP.get(&name).map_or(false, |attr| match attr.duplicates {
BUILTIN_ATTRIBUTE_MAP.get(&name).is_some_and(|attr| match attr.duplicates {
WarnFollowing | ErrorFollowing | ErrorPreceding | FutureWarnFollowing
| FutureWarnPreceding => true,
DuplicatesOk | WarnFollowingWordOnly => false,

9
compiler/rustc_feature/src/lib.rs
View file

@ -86,12 +86,11 @@ impl UnstableFeatures {
let disable_unstable_features =
option_env!("CFG_DISABLE_UNSTABLE_FEATURES").map(|s| s != "0").unwrap_or(false);
// Returns whether `krate` should be counted as unstable
let is_unstable_crate = |var: &str| {
krate.map_or(false, |name| var.split(',').any(|new_krate| new_krate == name))
};
let is_unstable_crate =
|var: &str| krate.is_some_and(|name| var.split(',').any(|new_krate| new_krate == name));
// `true` if we should enable unstable features for bootstrapping.
let bootstrap = std::env::var("RUSTC_BOOTSTRAP")
.map_or(false, |var| var == "1" || is_unstable_crate(&var));
let bootstrap =
std::env::var("RUSTC_BOOTSTRAP").is_ok_and(|var| var == "1" || is_unstable_crate(&var));
match (disable_unstable_features, bootstrap) {
(_, true) => UnstableFeatures::Cheat,
(true, _) => UnstableFeatures::Disallow,