Allow undefined variable detection in arrow functions #5343
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Previously Psalm would assume that any variable it sees in the arrow function body is defined (and mixed, if it's not available in the outer scope). This prevented undefined variable detection. Dropping that assumption allows it to work. Fixes vimeo#5331
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This was referenced Mar 15, 2021
Closed
This was referenced Mar 17, 2021
Closed
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Previously Psalm would assume that any variable it sees in the arrow function body is defined (and mixed, if it's not available in the outer scope). This prevented undefined variable detection. Dropping that assumption allows it to work.
Fixes #5331