rust/tests/ui/entry-point/auxiliary/bad_main_functions.rs

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pub fn boilerplate(x: u8) {}
//~^ ERROR: `main` function has wrong type [E0580]
rustc_hir_analysis: add a helper to check function the signature mismatches This function is now used to check `#[panic_handler]`, `start` lang item, `main`, `#[start]` and intrinsic functions. The diagnosis produced are now closer to the ones produced by trait/impl method signature mismatch. 2023-09-17 18:13:05 +00:00			`pub fn boilerplate(x: u8) {}`
			//~^ ERROR: `main` function has wrong type [E0580]