Name Errors/Static/RedeclaredType

Synopsis A type with the same name has been declared before.

Description Some declarations introduce new type names. Most important are an Rascal:AlgebraicDataType and Rascal:Alias This error signals that the same type name is used for incompatible purposes.

Remedy: rename one of the type names.

Examples

rascal>data D = d(int x);
ok
rascal>alias D = str;
|stdin:///|(0,14,<1,0>,<1,14>): Illegal re-declaration of type: D

rascal>alias D = int;
ok
rascal>alias D = str;
|stdin:///|(0,14,<1,0>,<1,14>): Illegal re-declaration of type: D

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