mirror of
https://github.com/rust-lang/rust-clippy
synced 2024-11-23 13:13:34 +00:00
commit
ea03c0d9e3
2 changed files with 1 additions and 47 deletions
|
@ -28,7 +28,7 @@ how this syntax structure is encoded in the AST, it is recommended to run `rustc
|
||||||
example of the structure and compare with the
|
example of the structure and compare with the
|
||||||
[nodes in the AST docs](http://manishearth.github.io/rust-internals-docs/syntax/ast/). Usually
|
[nodes in the AST docs](http://manishearth.github.io/rust-internals-docs/syntax/ast/). Usually
|
||||||
the lint will end up to be a nested series of matches and ifs,
|
the lint will end up to be a nested series of matches and ifs,
|
||||||
[like so](https://github.com/Manishearth/rust-clippy/blob/de5ccdfab68a5e37689f3c950ed1532ba9d652a0/src/misc.rs#L34)
|
[like so](https://github.com/Manishearth/rust-clippy/blob/de5ccdfab68a5e37689f3c950ed1532ba9d652a0/src/misc.rs#L34).
|
||||||
|
|
||||||
T-middle issues can be more involved and require verifying types. The
|
T-middle issues can be more involved and require verifying types. The
|
||||||
[`middle::ty`](http://manishearth.github.io/rust-internals-docs/rustc/middle/ty) module contains a
|
[`middle::ty`](http://manishearth.github.io/rust-internals-docs/rustc/middle/ty) module contains a
|
||||||
|
|
46
src/utils.rs
46
src/utils.rs
|
@ -370,52 +370,6 @@ pub fn is_adjusted(cx: &LateContext, e: &Expr) -> bool {
|
||||||
cx.tcx.tables.borrow().adjustments.get(&e.id).is_some()
|
cx.tcx.tables.borrow().adjustments.get(&e.id).is_some()
|
||||||
}
|
}
|
||||||
|
|
||||||
/// Produce a nested chain of if-lets and ifs from the patterns:
|
|
||||||
///
|
|
||||||
/// if_let_chain! {
|
|
||||||
/// [
|
|
||||||
/// Some(y) = x,
|
|
||||||
/// y.len() == 2,
|
|
||||||
/// Some(z) = y,
|
|
||||||
/// ],
|
|
||||||
/// {
|
|
||||||
/// block
|
|
||||||
/// }
|
|
||||||
/// }
|
|
||||||
///
|
|
||||||
/// becomes
|
|
||||||
///
|
|
||||||
/// if let Some(y) = x {
|
|
||||||
/// if y.len() == 2 {
|
|
||||||
/// if let Some(z) = y {
|
|
||||||
/// block
|
|
||||||
/// }
|
|
||||||
/// }
|
|
||||||
/// }
|
|
||||||
#[macro_export]
|
|
||||||
macro_rules! if_let_chain {
|
|
||||||
([let $pat:pat = $expr:expr, $($tt:tt)+], $block:block) => {
|
|
||||||
if let $pat = $expr {
|
|
||||||
if_let_chain!{ [$($tt)+], $block }
|
|
||||||
}
|
|
||||||
};
|
|
||||||
([let $pat:pat = $expr:expr], $block:block) => {
|
|
||||||
if let $pat = $expr {
|
|
||||||
$block
|
|
||||||
}
|
|
||||||
};
|
|
||||||
([$expr:expr, $($tt:tt)+], $block:block) => {
|
|
||||||
if $expr {
|
|
||||||
if_let_chain!{ [$($tt)+], $block }
|
|
||||||
}
|
|
||||||
};
|
|
||||||
([$expr:expr], $block:block) => {
|
|
||||||
if $expr {
|
|
||||||
$block
|
|
||||||
}
|
|
||||||
};
|
|
||||||
}
|
|
||||||
|
|
||||||
pub struct LimitStack {
|
pub struct LimitStack {
|
||||||
stack: Vec<u64>,
|
stack: Vec<u64>,
|
||||||
}
|
}
|
||||||
|
|
Loading…
Reference in a new issue