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 --- .../borrow-immutable-upvar-mutation.stderr | 87 ++++++++++++++++++++++ 1 file changed, 87 insertions(+) create mode 100644 src/test/ui/borrowck/borrow-immutable-upvar-mutation.stderr (limited to 'src/test/ui/borrowck/borrow-immutable-upvar-mutation.stderr') diff --git a/src/test/ui/borrowck/borrow-immutable-upvar-mutation.stderr b/src/test/ui/borrowck/borrow-immutable-upvar-mutation.stderr new file mode 100644 index 000000000..093589ed0 --- /dev/null +++ b/src/test/ui/borrowck/borrow-immutable-upvar-mutation.stderr @@ -0,0 +1,87 @@ +error[E0594]: cannot assign to `x`, as it is a captured variable in a `Fn` closure + --> $DIR/borrow-immutable-upvar-mutation.rs:21:27 + | +LL | fn to_fn>(f: F) -> F { + | - change this to accept `FnMut` instead of `Fn` +... +LL | let _f = to_fn(|| x = 42); + | ----- -- ^^^^^^ cannot assign + | | | + | | in this closure + | expects `Fn` instead of `FnMut` + +error[E0596]: cannot borrow `y` as mutable, as it is a captured variable in a `Fn` closure + --> $DIR/borrow-immutable-upvar-mutation.rs:24:31 + | +LL | fn to_fn>(f: F) -> F { + | - change this to accept `FnMut` instead of `Fn` +... +LL | let _g = to_fn(|| set(&mut y)); + | ----- -- ^^^^^^ cannot borrow as mutable + | | | + | | in this closure + | expects `Fn` instead of `FnMut` + +error[E0594]: cannot assign to `z`, as it is a captured variable in a `Fn` closure + --> $DIR/borrow-immutable-upvar-mutation.rs:29:22 + | +LL | fn to_fn>(f: F) -> F { + | - change this to accept `FnMut` instead of `Fn` +... +LL | to_fn(|| z = 42); + | ----- -- ^^^^^^ cannot assign + | | | + | | in this closure + | expects `Fn` instead of `FnMut` + +error[E0594]: cannot assign to `x`, as it is a captured variable in a `Fn` closure + --> $DIR/borrow-immutable-upvar-mutation.rs:36:32 + | +LL | fn to_fn>(f: F) -> F { + | - change this to accept `FnMut` instead of `Fn` +... +LL | let _f = to_fn(move || x = 42); + | ----- ------- ^^^^^^ cannot assign + | | | + | | in this closure + | expects `Fn` instead of `FnMut` + +error[E0596]: cannot borrow `y` as mutable, as it is a captured variable in a `Fn` closure + --> $DIR/borrow-immutable-upvar-mutation.rs:39:36 + | +LL | fn to_fn>(f: F) -> F { + | - change this to accept `FnMut` instead of `Fn` +... +LL | let _g = to_fn(move || set(&mut y)); + | ----- ------- ^^^^^^ cannot borrow as mutable + | | | + | | in this closure + | expects `Fn` instead of `FnMut` + +error[E0594]: cannot assign to `z`, as it is a captured variable in a `Fn` closure + --> $DIR/borrow-immutable-upvar-mutation.rs:44:27 + | +LL | fn to_fn>(f: F) -> F { + | - change this to accept `FnMut` instead of `Fn` +... +LL | to_fn(move || z = 42); + | ----- ------- ^^^^^^ cannot assign + | | | + | | in this closure + | expects `Fn` instead of `FnMut` + +error[E0594]: cannot assign to `x`, as it is a captured variable in a `Fn` closure + --> $DIR/borrow-immutable-upvar-mutation.rs:53:9 + | +LL | fn foo() -> Box usize> { + | --- ---------------------- change this to return `FnMut` instead of `Fn` +LL | let mut x = 0; +LL | Box::new(move || { + | ------- in this closure +LL | x += 1; + | ^^^^^^ cannot assign + +error: aborting due to 7 previous errors + +Some errors have detailed explanations: E0594, E0596. +For more information about an error, try `rustc --explain E0594`. -- cgit v1.2.3