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40ae34194c
detects redundant imports that can be eliminated. for #117772 : In order to facilitate review and modification, split the checking code and removing redundant imports code into two PR.
44 lines
1.1 KiB
Rust
44 lines
1.1 KiB
Rust
// run-pass
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#![allow(unused_braces)]
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#![allow(dead_code)]
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#![allow(unused_unsafe)]
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struct Foo {
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a: usize,
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b: *const ()
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}
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unsafe impl Sync for Foo {}
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fn foo<T>(a: T) -> T {
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a
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}
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static BLOCK_INTEGRAL: usize = { 1 };
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static BLOCK_EXPLICIT_UNIT: () = { () };
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static BLOCK_IMPLICIT_UNIT: () = { };
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static BLOCK_FLOAT: f64 = { 1.0 };
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static BLOCK_ENUM: Option<usize> = { Some(100) };
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static BLOCK_STRUCT: Foo = { Foo { a: 12, b: std::ptr::null::<()>() } };
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static BLOCK_UNSAFE: usize = unsafe { 1000 };
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static BLOCK_FN_INFERRED: fn(usize) -> usize = { foo };
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static BLOCK_FN: fn(usize) -> usize = { foo::<usize> };
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static BLOCK_ENUM_CONSTRUCTOR: fn(usize) -> Option<usize> = { Some };
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pub fn main() {
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assert_eq!(BLOCK_INTEGRAL, 1);
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assert_eq!(BLOCK_EXPLICIT_UNIT, ());
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assert_eq!(BLOCK_IMPLICIT_UNIT, ());
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assert_eq!(BLOCK_FLOAT, 1.0_f64);
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assert_eq!(BLOCK_STRUCT.a, 12);
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assert_eq!(BLOCK_STRUCT.b, std::ptr::null::<()>());
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assert_eq!(BLOCK_ENUM, Some(100));
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assert_eq!(BLOCK_UNSAFE, 1000);
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assert_eq!(BLOCK_FN_INFERRED(300), 300);
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assert_eq!(BLOCK_FN(300), 300);
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assert_eq!(BLOCK_ENUM_CONSTRUCTOR(200), Some(200));
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}
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