Module Errors

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Cannot find module

error: cannot find module 'helpers' (looked at 'path/to/helpers.tri'): No such file
  help: create the file 'path/to/helpers.tri' or check the module name in the `use` statement

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Circular dependency

error: circular dependency detected involving module 'a'
  help: break the cycle by extracting shared definitions into a separate module

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Duplicate function

error: duplicate function 'main'

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Cannot read entry file

error: cannot read 'main.tri': No such file or directory
  help: check that the file exists and is readable

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Program without main (planned)

error: program 'my_program' must have a `fn main()` entry point
  help: add `fn main() { ... }` or change to `module` if this is a library

Spec: language.md Section 1 (program must have fn main).

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Module with main (planned)

error: module 'my_module' must not define `fn main()`
  help: modules are libraries; change to `program` if this is an entry point

Spec: language.md Section 1 (module must NOT have fn main).

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Duplicate struct (planned)

error: duplicate struct definition 'Point'

Spec: language.md Section 1 (items are unique within a module).

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Duplicate constant (planned)

error: duplicate constant definition 'MAX'

Spec: language.md Section 1 (items are unique within a module).

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Duplicate import (planned)

error: duplicate import 'use merkle'

Spec: language.md Section 1 (import rules).

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Self import (planned)

error: module cannot import itself

Spec: language.md Section 1 (DAG requirement).