1 error[E0015]: calls in constants are limited to constant functions, tuple structs and tuple variants
2 --> $DIR/issue-68542-closure-in-array-len.rs:6:13
4 LL | a: [(); (|| { 0 })()]
7 error[E0080]: evaluation of constant value failed
8 --> $DIR/issue-68542-closure-in-array-len.rs:6:13
10 LL | a: [(); (|| { 0 })()]
11 | ^^^^^^^^^^^^ calling non-const function `Bug::a::{{constant}}#0::{{closure}}#0`
13 error: aborting due to 2 previous errors
15 Some errors have detailed explanations: E0015, E0080.
16 For more information about an error, try `rustc --explain E0015`.