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To get a value from an assoc and provide a default value if the value does not exist, I am using the following definition: :: at-def ( key assoc default -- value ) key assoc ?at [ drop default ] w...
#1: Initial revision
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Razetime
·
2022-08-17T15:24:07Z (about 2 years ago)
How to get a default value from an assoc in Factor programming language
To get a value from an assoc and provide a default value if the value does not exist, I am using the following definition: ``` :: at-def ( key assoc default -- value ) key assoc ?at [ drop default ] when ; ``` Is there a more specialized word to do this? (or a different class to use?)