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More explicit warning for lambda not shadowing. #2712

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More explicit warning for lambda not shadowing. #2712

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3 changes: 2 additions & 1 deletion src/lib/lambda.pl
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Expand Up @@ -67,7 +67,8 @@
expression. They are thus free variables within.

All other variables of Goal are considered local variables. They must
not appear outside the lambda expression. This restriction is
not appear outside the lambda expression, as lambda does not introduce
a new scope or shadow existing bindings. This restriction is
currently not checked. Violations may lead to unexpected bindings.

In the following example the parentheses around X>3 are necessary.
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