error[E0061]: this function takes 0 arguments but 1 argument was supplied --> $DIR/issue-26094.rs:10:17 | LL | $other(None) | ---- argument of type `Option<_>` unexpected ... LL | some_macro!(some_function); | ^^^^^^^^^^^^^ | note: function defined here --> $DIR/issue-26094.rs:7:4 | LL | fn some_function() {} | ^^^^^^^^^^^^^ help: remove the extra argument | LL | some_function() | ~~~~~~~~~~~~~~~ error: aborting due to previous error For more information about this error, try `rustc --explain E0061`.