error: expected one of `.`, `?`, or an operator, found `;` --> $DIR/expand-expr.rs:106:27 | LL | expand_expr_fail!("string"; hello); | ^ expected one of `.`, `?`, or an operator error: expected expression, found `$` --> $DIR/expand-expr.rs:109:19 | LL | expand_expr_fail!($); | ^ expected expression error: expected expression, found `$` --> $DIR/expand-expr.rs:38:23 | LL | ($($t:tt)*) => { $($t)* }; | ^^^^ expected expression error: expected expression, found `$` --> $DIR/expand-expr.rs:111:28 | LL | expand_expr_fail!(echo_pm!($)); | ^ expected expression error: macro expansion ignores token `hello` and any following --> $DIR/expand-expr.rs:115:47 | LL | expand_expr_is!("string", echo_tts!("string"; hello)); | --------------------^^^^^- caused by the macro expansion here | = note: the usage of `echo_tts!` is likely invalid in expression context help: you might be missing a semicolon here | LL | expand_expr_is!("string", echo_tts!("string"; hello);); | + error: macro expansion ignores token `;` and any following --> $DIR/expand-expr.rs:116:44 | LL | expand_expr_is!("string", echo_pm!("string"; hello)); | -----------------^------- caused by the macro expansion here | = note: the usage of `echo_pm!` is likely invalid in expression context help: you might be missing a semicolon here | LL | expand_expr_is!("string", echo_pm!("string"; hello);); | + error: recursion limit reached while expanding `recursive_expand!` --> $DIR/expand-expr.rs:124:16 | LL | const _: u32 = recursive_expand!(); | ^^^^^^^^^^^^^^^^^^^ | = help: consider increasing the recursion limit by adding a `#![recursion_limit = "256"]` attribute to your crate (`expand_expr`) = note: this error originates in the macro `recursive_expand` (in Nightly builds, run with -Z macro-backtrace for more info) error: aborting due to 7 previous errors