150 lines
2.4 KiB
Rust
150 lines
2.4 KiB
Rust
#![allow(dead_code)]
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//! Used to test that certain lints don't trigger in imported external macros
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#[macro_export]
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macro_rules! foofoo {
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() => {
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loop {}
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};
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}
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#[macro_export]
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macro_rules! must_use_unit {
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() => {
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#[must_use]
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fn foo() {}
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};
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}
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#[macro_export]
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macro_rules! try_err {
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() => {
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pub fn try_err_fn() -> Result<i32, i32> {
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let err: i32 = 1;
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// To avoid warnings during rustfix
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if true { Err(err)? } else { Ok(2) }
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}
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};
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}
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#[macro_export]
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macro_rules! string_add {
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() => {
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let y = "".to_owned();
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let z = y + "...";
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};
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}
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#[macro_export]
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macro_rules! take_external {
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($s:expr) => {
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std::mem::replace($s, Default::default())
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};
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}
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#[macro_export]
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macro_rules! option_env_unwrap_external {
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($env: expr) => {
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option_env!($env).unwrap()
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};
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($env: expr, $message: expr) => {
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option_env!($env).expect($message)
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};
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}
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#[macro_export]
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macro_rules! ref_arg_binding {
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() => {
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let ref _y = 42;
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};
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}
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#[macro_export]
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macro_rules! ref_arg_function {
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() => {
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fn fun_example(ref _x: usize) {}
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};
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}
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#[macro_export]
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macro_rules! as_conv_with_arg {
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(0u32 as u64) => {
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()
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};
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}
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#[macro_export]
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macro_rules! as_conv {
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() => {
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0u32 as u64
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};
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}
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#[macro_export]
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macro_rules! large_enum_variant {
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() => {
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enum LargeEnumInMacro {
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A(i32),
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B([i32; 8000]),
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}
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};
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}
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#[macro_export]
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macro_rules! field_reassign_with_default {
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() => {
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#[derive(Default)]
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struct A {
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pub i: i32,
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pub j: i64,
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}
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fn lint() {
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let mut a: A = Default::default();
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a.i = 42;
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a;
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}
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};
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}
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#[macro_export]
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macro_rules! default_numeric_fallback {
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() => {
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let x = 22;
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};
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}
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#[macro_export]
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macro_rules! mut_mut {
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() => {
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let mut_mut_ty: &mut &mut u32 = &mut &mut 1u32;
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};
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}
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#[macro_export]
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macro_rules! ptr_as_ptr_cast {
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($ptr: ident) => {
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$ptr as *const i32
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};
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}
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#[macro_export]
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macro_rules! manual_rem_euclid {
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() => {
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let value: i32 = 5;
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let _: i32 = ((value % 4) + 4) % 4;
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};
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}
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#[macro_export]
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macro_rules! equatable_if_let {
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($a:ident) => {{ if let 2 = $a {} }};
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}
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#[macro_export]
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macro_rules! almost_complete_letter_range {
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() => {
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let _ = 'a'..'z';
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};
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}
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