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ShadowedName.md

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ShadowedName Warning

Example

> x = let x = 1 in x

Warning 1 of 1:

  at line 1, column 1 - line 3, column 7

    Name x was shadowed.

  in value declaration x

Cause

This warning occurs when a name is brought into scope, but that name is already defined in the current scope. In the example above, x is used to refer to both the inner and outer let binding.

PureScript warns in this case because multiple uses of the same name might make it easy to refer to the wrong value.

Fix

  • Consider renaming one or other occurrence of the name.

Notes