error: expected identifier, found `$` --> $DIR/syntax-errors.rs:17:33 | LL | ( $( $i:ident ),* ) => { ${ count($i) } }; | ^^^^^ - help: try removing `$` error: expected identifier, found `$` --> $DIR/syntax-errors.rs:23:26 | LL | ( $i:ident ) => { ${ count($i) } }; | ^^^^^ - help: try removing `$` error: unexpected token: $ --> $DIR/syntax-errors.rs:53:8 | LL | ( $$ $a:ident ) => { | ^ note: `$$` and meta-variable expressions are not allowed inside macro parameter definitions --> $DIR/syntax-errors.rs:53:8 | LL | ( $$ $a:ident ) => { | ^ error: unexpected token: a --> $DIR/syntax-errors.rs:60:19 | LL | ${count() a b c} | ^ | note: meta-variable expression must not have trailing tokens --> $DIR/syntax-errors.rs:60:19 | LL | ${count() a b c} | ^ error: unexpected token: a --> $DIR/syntax-errors.rs:63:19 | LL | ${count(i a b c)} | ^ | note: meta-variable expression must not have trailing tokens --> $DIR/syntax-errors.rs:63:19 | LL | ${count(i a b c)} | ^ error: unexpected token: a --> $DIR/syntax-errors.rs:65:22 | LL | ${count(i, 1 a b c)} | ^ | note: meta-variable expression must not have trailing tokens --> $DIR/syntax-errors.rs:65:22 | LL | ${count(i, 1 a b c)} | ^ error: unexpected token: a --> $DIR/syntax-errors.rs:67:20 | LL | ${count(i) a b c} | ^ | note: meta-variable expression must not have trailing tokens --> $DIR/syntax-errors.rs:67:20 | LL | ${count(i) a b c} | ^ error: unexpected token: a --> $DIR/syntax-errors.rs:70:21 | LL | ${ignore(i) a b c} | ^ | note: meta-variable expression must not have trailing tokens --> $DIR/syntax-errors.rs:70:21 | LL | ${ignore(i) a b c} | ^ error: unexpected token: a --> $DIR/syntax-errors.rs:72:20 | LL | ${ignore(i a b c)} | ^ | note: meta-variable expression must not have trailing tokens --> $DIR/syntax-errors.rs:72:20 | LL | ${ignore(i a b c)} | ^ error: unexpected token: a --> $DIR/syntax-errors.rs:75:19 | LL | ${index() a b c} | ^ | note: meta-variable expression must not have trailing tokens --> $DIR/syntax-errors.rs:75:19 | LL | ${index() a b c} | ^ error: unexpected token: a --> $DIR/syntax-errors.rs:77:19 | LL | ${index(1 a b c)} | ^ | note: meta-variable expression must not have trailing tokens --> $DIR/syntax-errors.rs:77:19 | LL | ${index(1 a b c)} | ^ error: unexpected token: a --> $DIR/syntax-errors.rs:80:19 | LL | ${index() a b c} | ^ | note: meta-variable expression must not have trailing tokens --> $DIR/syntax-errors.rs:80:19 | LL | ${index() a b c} | ^ error: unexpected token: a --> $DIR/syntax-errors.rs:82:19 | LL | ${index(1 a b c)} | ^ | note: meta-variable expression must not have trailing tokens --> $DIR/syntax-errors.rs:82:19 | LL | ${index(1 a b c)} | ^ error: meta-variable expression depth must be a literal --> $DIR/syntax-errors.rs:89:33 | LL | ( $( $i:ident ),* ) => { ${ index(IDX) } }; | ^^^^^ error: unexpected token: { --> $DIR/syntax-errors.rs:95:8 | LL | ( ${ length() } ) => { | ^^^^^^^^^^^^ note: `$$` and meta-variable expressions are not allowed inside macro parameter definitions --> $DIR/syntax-errors.rs:95:8 | LL | ( ${ length() } ) => { | ^^^^^^^^^^^^ error: expected one of: `*`, `+`, or `?` --> $DIR/syntax-errors.rs:95:8 | LL | ( ${ length() } ) => { | ^^^^^^^^^^^^ error: expected identifier --> $DIR/syntax-errors.rs:102:33 | LL | ( $( $i:ident ),* ) => { ${ ignore() } }; | ^^^^^^ error: only unsuffixes integer literals are supported in meta-variable expressions --> $DIR/syntax-errors.rs:108:33 | LL | ( $( $i:ident ),* ) => { ${ index(1u32) } }; | ^^^^^ error: meta-variable expression parameter must be wrapped in parentheses --> $DIR/syntax-errors.rs:114:33 | LL | ( $( $i:ident ),* ) => { ${ count{i} } }; | ^^^^^ error: expected identifier --> $DIR/syntax-errors.rs:120:31 | LL | ( $( $i:ident ),* ) => { ${ {} } }; | ^^^^^^ error: unrecognized meta-variable expression --> $DIR/syntax-errors.rs:140:33 | LL | ( $( $i:ident ),* ) => { ${ aaaaaaaaaaaaaa(i) } }; | ^^^^^^^^^^^^^^ help: supported expressions are count, ignore, index and length error: `count` can not be placed inside the inner-most repetition --> $DIR/syntax-errors.rs:12:24 | LL | ( $i:ident ) => { ${ count(i) } }; | ^^^^^^^^^^^^ error: expected expression, found `$` --> $DIR/syntax-errors.rs:17:30 | LL | ( $( $i:ident ),* ) => { ${ count($i) } }; | ^ expected expression ... LL | curly__rhs_dollar__round!(a, b, c); | ---------------------------------- in this macro invocation | = note: this error originates in the macro `curly__rhs_dollar__round` (in Nightly builds, run with -Z macro-backtrace for more info) error: expected expression, found `$` --> $DIR/syntax-errors.rs:23:23 | LL | ( $i:ident ) => { ${ count($i) } }; | ^ expected expression ... LL | curly__rhs_dollar__no_round!(a); | ------------------------------- in this macro invocation | = note: this error originates in the macro `curly__rhs_dollar__no_round` (in Nightly builds, run with -Z macro-backtrace for more info) error: variable 'i' is still repeating at this depth --> $DIR/syntax-errors.rs:41:36 | LL | ( $( $i:ident ),* ) => { count($i) }; | ^^ error: expected expression, found `$` --> $DIR/syntax-errors.rs:60:9 | LL | ${count() a b c} | ^ expected expression ... LL | extra_garbage_after_metavar!(a); | ------------------------------- in this macro invocation | = note: this error originates in the macro `extra_garbage_after_metavar` (in Nightly builds, run with -Z macro-backtrace for more info) error: expected expression, found `$` --> $DIR/syntax-errors.rs:89:30 | LL | ( $( $i:ident ),* ) => { ${ index(IDX) } }; | ^ expected expression ... LL | metavar_depth_is_not_literal!(a); | -------------------------------- in this macro invocation | = note: this error originates in the macro `metavar_depth_is_not_literal` (in Nightly builds, run with -Z macro-backtrace for more info) error: expected expression, found `$` --> $DIR/syntax-errors.rs:102:30 | LL | ( $( $i:ident ),* ) => { ${ ignore() } }; | ^ expected expression ... LL | metavar_token_without_ident!(a); | ------------------------------- in this macro invocation | = note: this error originates in the macro `metavar_token_without_ident` (in Nightly builds, run with -Z macro-backtrace for more info) error: expected expression, found `$` --> $DIR/syntax-errors.rs:108:30 | LL | ( $( $i:ident ),* ) => { ${ index(1u32) } }; | ^ expected expression ... LL | metavar_with_literal_suffix!(a); | ------------------------------- in this macro invocation | = note: this error originates in the macro `metavar_with_literal_suffix` (in Nightly builds, run with -Z macro-backtrace for more info) error: expected expression, found `$` --> $DIR/syntax-errors.rs:114:30 | LL | ( $( $i:ident ),* ) => { ${ count{i} } }; | ^ expected expression ... LL | metavar_without_parens!(a); | -------------------------- in this macro invocation | = note: this error originates in the macro `metavar_without_parens` (in Nightly builds, run with -Z macro-backtrace for more info) error: expected expression, found `$` --> $DIR/syntax-errors.rs:120:30 | LL | ( $( $i:ident ),* ) => { ${ {} } }; | ^ expected expression ... LL | open_brackets_without_tokens!(a); | -------------------------------- in this macro invocation | = note: this error originates in the macro `open_brackets_without_tokens` (in Nightly builds, run with -Z macro-backtrace for more info) error: variable `foo` is not recognized in meta-variable expression --> $DIR/syntax-errors.rs:127:17 | LL | ${count(foo)} | ^^^ error: variable `bar` is not recognized in meta-variable expression --> $DIR/syntax-errors.rs:134:18 | LL | ${ignore(bar)} | ^^^ error: expected expression, found `$` --> $DIR/syntax-errors.rs:140:30 | LL | ( $( $i:ident ),* ) => { ${ aaaaaaaaaaaaaa(i) } }; | ^ expected expression ... LL | unknown_metavar!(a); | ------------------- in this macro invocation | = note: this error originates in the macro `unknown_metavar` (in Nightly builds, run with -Z macro-backtrace for more info) error[E0425]: cannot find function `count` in this scope --> $DIR/syntax-errors.rs:29:30 | LL | ( $( $i:ident ),* ) => { count(i) }; | ^^^^^ not found in this scope ... LL | no_curly__no_rhs_dollar__round!(a, b, c); | ---------------------------------------- in this macro invocation | = note: this error originates in the macro `no_curly__no_rhs_dollar__round` (in Nightly builds, run with -Z macro-backtrace for more info) error[E0425]: cannot find value `i` in this scope --> $DIR/syntax-errors.rs:29:36 | LL | ( $( $i:ident ),* ) => { count(i) }; | ^ not found in this scope ... LL | no_curly__no_rhs_dollar__round!(a, b, c); | ---------------------------------------- in this macro invocation | = note: this error originates in the macro `no_curly__no_rhs_dollar__round` (in Nightly builds, run with -Z macro-backtrace for more info) error[E0425]: cannot find function `count` in this scope --> $DIR/syntax-errors.rs:35:23 | LL | ( $i:ident ) => { count(i) }; | ^^^^^ not found in this scope ... LL | no_curly__no_rhs_dollar__no_round!(a); | ------------------------------------- in this macro invocation | = note: this error originates in the macro `no_curly__no_rhs_dollar__no_round` (in Nightly builds, run with -Z macro-backtrace for more info) error[E0425]: cannot find value `i` in this scope --> $DIR/syntax-errors.rs:35:29 | LL | ( $i:ident ) => { count(i) }; | ^ not found in this scope ... LL | no_curly__no_rhs_dollar__no_round!(a); | ------------------------------------- in this macro invocation | = note: this error originates in the macro `no_curly__no_rhs_dollar__no_round` (in Nightly builds, run with -Z macro-backtrace for more info) error[E0425]: cannot find function `count` in this scope --> $DIR/syntax-errors.rs:46:23 | LL | ( $i:ident ) => { count($i) }; | ^^^^^ not found in this scope ... LL | no_curly__rhs_dollar__no_round!(a); | ---------------------------------- in this macro invocation | = note: this error originates in the macro `no_curly__rhs_dollar__no_round` (in Nightly builds, run with -Z macro-backtrace for more info) error[E0425]: cannot find value `a` in this scope --> $DIR/syntax-errors.rs:153:37 | LL | no_curly__rhs_dollar__no_round!(a); | ^ not found in this scope error: aborting due to 40 previous errors For more information about this error, try `rustc --explain E0425`.