1 error: expected identifier, found keyword `true`
2 --> $DIR/issue-44406.rs:8:10
5 | ^^^^ expected identifier, found keyword
7 help: you can escape reserved keywords to use them as identifiers
12 error: invalid `struct` delimiters or `fn` call arguments
13 --> $DIR/issue-44406.rs:3:9
19 | ---------- in this macro invocation
21 = note: this error originates in the macro `foo` (in Nightly builds, run with -Z macro-backtrace for more info)
22 help: if `bar` is a struct, use braces as delimiters
26 help: if `bar` is a function, use the arguments directly
32 error: aborting due to 2 previous errors