error: this file contains an unclosed delimiter --> $DIR/issue-81827.rs:11:27 | LL | fn r()->i{0|{#[cfg(r(0{]0 | - - - ^ | | | | | | | missing open `[` for this delimiter | | unclosed delimiter | unclosed delimiter error: this file contains an unclosed delimiter --> $DIR/issue-81827.rs:11:27 | LL | fn r()->i{0|{#[cfg(r(0{]0 | - - - ^ | | | | | | | missing open `[` for this delimiter | | unclosed delimiter | unclosed delimiter error: mismatched closing delimiter: `]` --> $DIR/issue-81827.rs:11:23 | LL | fn r()->i{0|{#[cfg(r(0{]0 | - ^^ mismatched closing delimiter | | | | | unclosed delimiter | closing delimiter possibly meant for this error: expected one of `)` or `,`, found `{` --> $DIR/issue-81827.rs:11:23 | LL | fn r()->i{0|{#[cfg(r(0{]0 | ^ expected one of `)` or `,` error: aborting due to 4 previous errors