fix: treat empty string-array values as empty slices#481

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Yongcheng123 wants to merge 1 commit into

spf13:masterfrom

Yongcheng123:fix/string-array-empty-value

Yongcheng123 commented May 30, 2026

Summary

treat explicit empty StringArray values as an empty slice instead of a single empty-string element
make the bound []string agree with GetStringArray() and String() for --flag= and --flag ""
add regression coverage for both FlagSet.Parse and CommandLine.Parse

Testing

go test ./... -run 'TestEmptySAValue|TestEmptySASeparateValue|TestEmptySASeparateValueCommandLine'
go test ./...
go vet ./...

Closes #415


          fix: treat empty string-array values as empty slices

8e2b069

Collaborator

tomasaschan commented May 30, 2026

Please see #415 (comment)

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