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Use lang items instead of get_trait_def_id where possible

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This commit is contained in:
flip1995 2020-03-03 10:52:56 +01:00
parent a94b2c1f7d
commit 58cea334ec
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GPG Key ID: 693086869D506637
3 changed files with 3 additions and 5 deletions

4
clippy_lints/src/doc.rs

@ -1,4 +1,4 @@
use crate::utils::{get_trait_def_id, implements_trait, is_entrypoint_fn, match_type, paths, return_ty, span_lint};
use crate::utils::{implements_trait, is_entrypoint_fn, match_type, paths, return_ty, span_lint};
use if_chain::if_chain;
use itertools::Itertools;
use rustc::lint::in_external_macro;
@ -227,7 +227,7 @@ fn lint_for_missing_headers<'a, 'tcx>(
} else {
if_chain! {
if let Some(body_id) = body_id;
if let Some(future) = get_trait_def_id(cx, &paths::FUTURE);
if let Some(future) = cx.tcx.lang_items().future_trait();
let def_id = cx.tcx.hir().body_owner_def_id(body_id);
let mir = cx.tcx.optimized_mir(def_id);
let ret_ty = mir.return_ty();

2
clippy_lints/src/neg_cmp_op_on_partial_ord.rs

@ -67,7 +67,7 @@ impl<'a, 'tcx> LateLintPass<'a, 'tcx> for NoNegCompOpForPartialOrd {
};
let implements_partial_ord = {
if let Some(id) = utils::get_trait_def_id(cx, &paths::PARTIAL_ORD) {
if let Some(id) = cx.tcx.lang_items().partial_ord_trait() {
utils::implements_trait(cx, ty, id, &[])
} else {
return;

2
clippy_lints/src/utils/paths.rs

@ -36,7 +36,6 @@ pub const FMT_ARGUMENTS_NEW_V1_FORMATTED: [&str; 4] = ["core", "fmt", "Arguments
pub const FMT_ARGUMENTV1_NEW: [&str; 4] = ["core", "fmt", "ArgumentV1", "new"];
pub const FROM_FROM: [&str; 4] = ["core", "convert", "From", "from"];
pub const FROM_TRAIT: [&str; 3] = ["core", "convert", "From"];
pub const FUTURE: [&str; 3] = ["std", "future", "Future"];
pub const HASH: [&str; 2] = ["hash", "Hash"];
pub const HASHMAP: [&str; 5] = ["std", "collections", "hash", "map", "HashMap"];
pub const HASHMAP_ENTRY: [&str; 5] = ["std", "collections", "hash", "map", "Entry"];
@ -69,7 +68,6 @@ pub const ORD: [&str; 3] = ["core", "cmp", "Ord"];
pub const OS_STRING: [&str; 4] = ["std", "ffi", "os_str", "OsString"];
pub const OS_STRING_AS_OS_STR: [&str; 5] = ["std", "ffi", "os_str", "OsString", "as_os_str"];
pub const OS_STR_TO_OS_STRING: [&str; 5] = ["std", "ffi", "os_str", "OsStr", "to_os_string"];
pub const PARTIAL_ORD: [&str; 3] = ["core", "cmp", "PartialOrd"];
pub const PATH: [&str; 3] = ["std", "path", "Path"];
pub const PATH_BUF: [&str; 3] = ["std", "path", "PathBuf"];
pub const PATH_BUF_AS_PATH: [&str; 4] = ["std", "path", "PathBuf", "as_path"];