From d31d96bba2479e24f6a5414837c83c849c15e483 Mon Sep 17 00:00:00 2001 From: David Tolnay Date: Sat, 26 Dec 2020 17:27:02 -0800 Subject: [PATCH] Add justification to non-static lifetime diagnostic --- impl/src/valid.rs | 2 +- tests/ui/lifetime.stderr | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/impl/src/valid.rs b/impl/src/valid.rs index 145e96d..d410e52 100644 --- a/impl/src/valid.rs +++ b/impl/src/valid.rs @@ -191,7 +191,7 @@ fn check_field_attrs(fields: &[Field]) -> Result<()> { if contains_non_static_lifetime(source_field) { return Err(Error::new_spanned( &source_field.original.ty, - "non-static lifetimes are not allowed in the source of an error", + "non-static lifetimes are not allowed in the source of an error, because std::error::Error requires the source is dyn Error + 'static", )); } } diff --git a/tests/ui/lifetime.stderr b/tests/ui/lifetime.stderr index 36c0105..fbf21ad 100644 --- a/tests/ui/lifetime.stderr +++ b/tests/ui/lifetime.stderr @@ -1,4 +1,4 @@ -error: non-static lifetimes are not allowed in the source of an error +error: non-static lifetimes are not allowed in the source of an error, because std::error::Error requires the source is dyn Error + 'static --> $DIR/lifetime.rs:5:26 | 5 | struct Error<'a>(#[from] Inner<'a>);