report location of missing type annotation #45

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sb10q · 2021-10-03T17:04:54+08:00

sb10q commented

2021-10-03 17:04:54 +08:00

Any missing type annotation currently simply reports this error:

thread 'main' panicked at 'called `Result::unwrap()` on an `Err` value: "type annotation needed"', nac3standalone/src/main.rs:65:35

When compiling more than a few lines of code, this becomes very impractical. The compiler should give some information about where the missing annotation is.

Any missing type annotation currently simply reports this error: ``` thread 'main' panicked at 'called `Result::unwrap()` on an `Err` value: "type annotation needed"', nac3standalone/src/main.rs:65:35 ``` When compiling more than a few lines of code, this becomes very impractical. The compiler should give some information about where the missing annotation is.

ychenfo referenced this issue from a commit

2021-10-03 17:28:11 +08:00

nac3core: fix #45 toplevel better error msg for methods/functions

ychenfo closed this issue

2021-10-03 17:28:11 +08:00

ychenfo commented

2021-10-03 17:29:39 +08:00

now the error message is something like:

thread 'main' panicked at 'called `Result::unwrap()` on an `Err` value: "function parameter `aa` at line 23 column 9 need type annotation"', nac3standalone/src/main.rs:65:35

now the error message is something like: ``` thread 'main' panicked at 'called `Result::unwrap()` on an `Err` value: "function parameter `aa` at line 23 column 9 need type annotation"', nac3standalone/src/main.rs:65:35 ```

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