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4cfdbd328b
This is an extension of the previous commit. It means the output of something like this: ``` stringify!(let a: Vec<u32> = vec![];) ``` goes from this: ``` let a: Vec<u32> = vec![] ; ``` With this PR, it now produces this string: ``` let a: Vec<u32> = vec![]; ```
39 lines
1.6 KiB
Plaintext
39 lines
1.6 KiB
Plaintext
error: recursion limit reached while expanding `$crate::format_args_nl!`
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--> $DIR/issue-41731-infinite-macro-println.rs:14:5
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LL | stack!("overflow");
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| ^^^^^^^^^^^^^^^^^^
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= help: consider increasing the recursion limit by adding a `#![recursion_limit = "10"]` attribute to your crate (`issue_41731_infinite_macro_println`)
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= note: this error originates in the macro `println` which comes from the expansion of the macro `stack` (in Nightly builds, run with -Z macro-backtrace for more info)
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note: trace_macro
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--> $DIR/issue-41731-infinite-macro-println.rs:14:5
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LL | stack!("overflow");
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| ^^^^^^^^^^^^^^^^^^
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= note: expanding `stack! { "overflow" }`
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= note: to `println! (stack! ("overflow"));`
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= note: expanding `println! { stack! ("overflow") }`
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= note: to `{ $crate :: io :: _print($crate :: format_args_nl! (stack! ("overflow"))); }`
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= note: expanding `stack! { "overflow" }`
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= note: to `println! (stack! ("overflow"));`
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= note: expanding `println! { stack! ("overflow") }`
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= note: to `{ $crate :: io :: _print($crate :: format_args_nl! (stack! ("overflow"))); }`
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error: format argument must be a string literal
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--> $DIR/issue-41731-infinite-macro-println.rs:14:5
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LL | stack!("overflow");
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| ^^^^^^^^^^^^^^^^^^
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= note: this error originates in the macro `println` which comes from the expansion of the macro `stack` (in Nightly builds, run with -Z macro-backtrace for more info)
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help: you might be missing a string literal to format with
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LL | println!("{}", stack!($overflow));
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| +++++
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error: aborting due to 2 previous errors
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