error[E0070]: invalid left-hand side of assignment --> $DIR/issue-26093.rs:3:16 | LL | $thing = 42; | ^ ... LL | not_a_place!(99); | ---------------- | | | | | cannot assign to this expression | in this macro invocation | = note: this error originates in the macro `not_a_place` (in Nightly builds, run with -Z macro-backtrace for more info) error[E0067]: invalid left-hand side of assignment --> $DIR/issue-26093.rs:5:16 | LL | $thing += 42; | ^^ ... LL | not_a_place!(99); | ---------------- | | | | | cannot assign to this expression | in this macro invocation | = note: this error originates in the macro `not_a_place` (in Nightly builds, run with -Z macro-backtrace for more info) error: aborting due to 2 previous errors Some errors have detailed explanations: E0067, E0070. For more information about an error, try `rustc --explain E0067`.