From 698f8c2f01ea549d77d7dc3338a12e04c11057b9 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Wed, 17 Apr 2024 14:02:58 +0200 Subject: Adding upstream version 1.64.0+dfsg1. Signed-off-by: Daniel Baumann --- compiler/rustc_error_codes/src/error_codes/E0639.md | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) create mode 100644 compiler/rustc_error_codes/src/error_codes/E0639.md (limited to 'compiler/rustc_error_codes/src/error_codes/E0639.md') diff --git a/compiler/rustc_error_codes/src/error_codes/E0639.md b/compiler/rustc_error_codes/src/error_codes/E0639.md new file mode 100644 index 000000000..4646e37fb --- /dev/null +++ b/compiler/rustc_error_codes/src/error_codes/E0639.md @@ -0,0 +1,19 @@ +This error indicates that the struct, enum or enum variant cannot be +instantiated from outside of the defining crate as it has been marked +as `non_exhaustive` and as such more fields/variants may be added in +future that could cause adverse side effects for this code. + +Erroneous code example: + +```ignore (it only works cross-crate) +#[non_exhaustive] +pub struct NormalStruct { + pub first_field: u16, + pub second_field: u16, +} + +let ns = NormalStruct { first_field: 640, second_field: 480 }; // error! +``` + +It is recommended that you look for a `new` function or equivalent in the +crate's documentation. -- cgit v1.2.3