| error: 1 positional argument in format string, but no arguments were given | |
| --> $DIR/main.rs:6:5 | |
| | | |
| LL | myprintln!("{}"); | |
| | ^^^^^^^^^^^^^^^^ | |
| | | |
| = note: this error originates in the macro `concat` which comes from the expansion of the macro `myprintln` (in Nightly builds, run with -Z macro-backtrace for more info) | |
| error: aborting due to previous error | |