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masak / alma

ALgoloid with MAcros -- a language with Algol-family syntax where macros take center stage
Artistic License 2.0
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Add 007-ish exceptions when substr'ing outside of string #535

Closed masak closed 4 years ago

masak commented 4 years ago

Before this PR, the exceptions happened on the Perl 6 level, and were propagated up in a confusing way to the 007 user.

Also added some sad-path tests for this.

Closes #525.