move lint documentation into macro invocations

This commit is contained in:
Andy Russell
2019-03-05 11:50:33 -05:00
parent a8f61e70a8
commit fe96ffeac9
132 changed files with 5405 additions and 5390 deletions

View File

@@ -6,67 +6,67 @@ use rustc::{declare_tool_lint, lint_array};
use rustc_errors::Applicability;
use syntax::source_map::Spanned;
/// **What it does:** Checks for string appends of the form `x = x + y` (without
/// `let`!).
///
/// **Why is this bad?** It's not really bad, but some people think that the
/// `.push_str(_)` method is more readable.
///
/// **Known problems:** None.
///
/// **Example:**
///
/// ```rust
/// let mut x = "Hello".to_owned();
/// x = x + ", World";
/// ```
declare_clippy_lint! {
/// **What it does:** Checks for string appends of the form `x = x + y` (without
/// `let`!).
///
/// **Why is this bad?** It's not really bad, but some people think that the
/// `.push_str(_)` method is more readable.
///
/// **Known problems:** None.
///
/// **Example:**
///
/// ```rust
/// let mut x = "Hello".to_owned();
/// x = x + ", World";
/// ```
pub STRING_ADD_ASSIGN,
pedantic,
"using `x = x + ..` where x is a `String` instead of `push_str()`"
}
/// **What it does:** Checks for all instances of `x + _` where `x` is of type
/// `String`, but only if [`string_add_assign`](#string_add_assign) does *not*
/// match.
///
/// **Why is this bad?** It's not bad in and of itself. However, this particular
/// `Add` implementation is asymmetric (the other operand need not be `String`,
/// but `x` does), while addition as mathematically defined is symmetric, also
/// the `String::push_str(_)` function is a perfectly good replacement.
/// Therefore some dislike it and wish not to have it in their code.
///
/// That said, other people think that string addition, having a long tradition
/// in other languages is actually fine, which is why we decided to make this
/// particular lint `allow` by default.
///
/// **Known problems:** None.
///
/// **Example:**
///
/// ```rust
/// let x = "Hello".to_owned();
/// x + ", World"
/// ```
declare_clippy_lint! {
/// **What it does:** Checks for all instances of `x + _` where `x` is of type
/// `String`, but only if [`string_add_assign`](#string_add_assign) does *not*
/// match.
///
/// **Why is this bad?** It's not bad in and of itself. However, this particular
/// `Add` implementation is asymmetric (the other operand need not be `String`,
/// but `x` does), while addition as mathematically defined is symmetric, also
/// the `String::push_str(_)` function is a perfectly good replacement.
/// Therefore some dislike it and wish not to have it in their code.
///
/// That said, other people think that string addition, having a long tradition
/// in other languages is actually fine, which is why we decided to make this
/// particular lint `allow` by default.
///
/// **Known problems:** None.
///
/// **Example:**
///
/// ```rust
/// let x = "Hello".to_owned();
/// x + ", World"
/// ```
pub STRING_ADD,
restriction,
"using `x + ..` where x is a `String` instead of `push_str()`"
}
/// **What it does:** Checks for the `as_bytes` method called on string literals
/// that contain only ASCII characters.
///
/// **Why is this bad?** Byte string literals (e.g. `b"foo"`) can be used
/// instead. They are shorter but less discoverable than `as_bytes()`.
///
/// **Known Problems:** None.
///
/// **Example:**
/// ```rust
/// let bs = "a byte string".as_bytes();
/// ```
declare_clippy_lint! {
/// **What it does:** Checks for the `as_bytes` method called on string literals
/// that contain only ASCII characters.
///
/// **Why is this bad?** Byte string literals (e.g. `b"foo"`) can be used
/// instead. They are shorter but less discoverable than `as_bytes()`.
///
/// **Known Problems:** None.
///
/// **Example:**
/// ```rust
/// let bs = "a byte string".as_bytes();
/// ```
pub STRING_LIT_AS_BYTES,
style,
"calling `as_bytes` on a string literal instead of using a byte string literal"