TOOL_ERR
built-in packageIn addition to using exceptions to signal errors, some built-in packages (for
example, the DEBUG
built-in package) provide additional error information.
This information is maintained in the form of an "error stack".
The error stack contains detailed error codes and associated error messages.
Errors on the stack are indexed from zero (oldest) to n-1 (newest), where
n is the number of errors currently on the stack. Using the services
provided by the TOOL_ERR
built-in package,
you can access and manipulate the error stack.
TOOL_ERR
built-in package
examples
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