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Diffstat (limited to '')
-rw-r--r-- | src/test/ui/typeck/issue-87935-unsized-box-expr.rs | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/src/test/ui/typeck/issue-87935-unsized-box-expr.rs b/src/test/ui/typeck/issue-87935-unsized-box-expr.rs new file mode 100644 index 000000000..cd2a82074 --- /dev/null +++ b/src/test/ui/typeck/issue-87935-unsized-box-expr.rs @@ -0,0 +1,10 @@ +#![feature(box_syntax)] +// Box expression needs to be movable, and hence has to be of a Sized type. +fn main() { + let _x: Box<[u32]> = box { loop {} }; + //~^ ERROR: the size for values of type `[u32]` cannot be known at compilation time + + // Check that a deduced size does not cause issues. + let _y: Box<[u32]> = box []; + let _z: Box<[u32; 0]> = box { loop {} }; +} |