114 lines
4.6 KiB
Rust
114 lines
4.6 KiB
Rust
// Copyright 2014-2018 The Rust Project Developers. See the COPYRIGHT
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// file at the top-level directory of this distribution.
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//
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// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
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// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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// option. This file may not be copied, modified, or distributed
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// except according to those terms.
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macro_rules! declare_deprecated_lint {
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(pub $name: ident, $_reason: expr) => {
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declare_lint!(pub $name, Allow, "deprecated lint")
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}
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}
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/// **What it does:** Nothing. This lint has been deprecated.
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///
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/// **Deprecation reason:** This used to check for `assert!(a == b)` and recommend
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/// replacement with `assert_eq!(a, b)`, but this is no longer needed after RFC 2011.
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declare_deprecated_lint! {
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pub SHOULD_ASSERT_EQ,
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"`assert!()` will be more flexible with RFC 2011"
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}
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/// **What it does:** Nothing. This lint has been deprecated.
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///
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/// **Deprecation reason:** This used to check for `Vec::extend`, which was slower than
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/// `Vec::extend_from_slice`. Thanks to specialization, this is no longer true.
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declare_deprecated_lint! {
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pub EXTEND_FROM_SLICE,
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"`.extend_from_slice(_)` is a faster way to extend a Vec by a slice"
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}
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/// **What it does:** Nothing. This lint has been deprecated.
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///
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/// **Deprecation reason:** `Range::step_by(0)` used to be linted since it's
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/// an infinite iterator, which is better expressed by `iter::repeat`,
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/// but the method has been removed for `Iterator::step_by` which panics
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/// if given a zero
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declare_deprecated_lint! {
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pub RANGE_STEP_BY_ZERO,
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"`iterator.step_by(0)` panics nowadays"
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}
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/// **What it does:** Nothing. This lint has been deprecated.
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///
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/// **Deprecation reason:** This used to check for `Vec::as_slice`, which was unstable with good
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/// stable alternatives. `Vec::as_slice` has now been stabilized.
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declare_deprecated_lint! {
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pub UNSTABLE_AS_SLICE,
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"`Vec::as_slice` has been stabilized in 1.7"
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}
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/// **What it does:** Nothing. This lint has been deprecated.
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///
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/// **Deprecation reason:** This used to check for `Vec::as_mut_slice`, which was unstable with good
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/// stable alternatives. `Vec::as_mut_slice` has now been stabilized.
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declare_deprecated_lint! {
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pub UNSTABLE_AS_MUT_SLICE,
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"`Vec::as_mut_slice` has been stabilized in 1.7"
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}
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/// **What it does:** Nothing. This lint has been deprecated.
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///
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/// **Deprecation reason:** This used to check for `.to_string()` method calls on values
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/// of type `&str`. This is not unidiomatic and with specialization coming, `to_string` could be
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/// specialized to be as efficient as `to_owned`.
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declare_deprecated_lint! {
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pub STR_TO_STRING,
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"using `str::to_string` is common even today and specialization will likely happen soon"
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}
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/// **What it does:** Nothing. This lint has been deprecated.
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///
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/// **Deprecation reason:** This used to check for `.to_string()` method calls on values
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/// of type `String`. This is not unidiomatic and with specialization coming, `to_string` could be
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/// specialized to be as efficient as `clone`.
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declare_deprecated_lint! {
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pub STRING_TO_STRING,
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"using `string::to_string` is common even today and specialization will likely happen soon"
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}
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/// **What it does:** Nothing. This lint has been deprecated.
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///
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/// **Deprecation reason:** This lint should never have applied to non-pointer types, as transmuting
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/// between non-pointer types of differing alignment is well-defined behavior (it's semantically
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/// equivalent to a memcpy). This lint has thus been refactored into two separate lints:
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/// cast_ptr_alignment and transmute_ptr_to_ptr.
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declare_deprecated_lint! {
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pub MISALIGNED_TRANSMUTE,
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"this lint has been split into cast_ptr_alignment and transmute_ptr_to_ptr"
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}
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/// **What it does:** Nothing. This lint has been deprecated.
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///
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/// **Deprecation reason:** This lint is too subjective, not having a good reason for being in clippy.
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/// Additionally, compound assignment operators may be overloaded separately from their non-assigning
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/// counterparts, so this lint may suggest a change in behavior or the code may not compile.
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declare_deprecated_lint! {
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pub ASSIGN_OPS,
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"using compound assignment operators (e.g. `+=`) is harmless"
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}
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/// **What it does:** Nothing. This lint has been deprecated.
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///
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/// **Deprecation reason:** The original rule will only lint for `if let`. After
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/// making it support to lint `match`, naming as `if let` is not suitable for it.
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/// So, this lint is deprecated.
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declare_deprecated_lint! {
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pub IF_LET_REDUNDANT_PATTERN_MATCHING,
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"this lint has been changed to redundant_pattern_matching"
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}
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