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Diffstat (limited to 'compiler/rustc_error_codes/src/error_codes/E0132.md')
-rw-r--r-- | compiler/rustc_error_codes/src/error_codes/E0132.md | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/compiler/rustc_error_codes/src/error_codes/E0132.md b/compiler/rustc_error_codes/src/error_codes/E0132.md new file mode 100644 index 000000000..a23cc988b --- /dev/null +++ b/compiler/rustc_error_codes/src/error_codes/E0132.md @@ -0,0 +1,32 @@ +A function with the `start` attribute was declared with type parameters. + +Erroneous code example: + +```compile_fail,E0132 +#![feature(start)] + +#[start] +fn f<T>() {} +``` + +It is not possible to declare type parameters on a function that has the `start` +attribute. Such a function must have the following type signature (for more +information, view [the unstable book][1]): + +[1]: https://doc.rust-lang.org/unstable-book/language-features/lang-items.html#writing-an-executable-without-stdlib + +``` +# let _: +fn(isize, *const *const u8) -> isize; +``` + +Example: + +``` +#![feature(start)] + +#[start] +fn my_start(argc: isize, argv: *const *const u8) -> isize { + 0 +} +``` |