check struct field name is a string in Fetch and get#973
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netliomax25-code wants to merge 1 commit into
Open
check struct field name is a string in Fetch and get#973netliomax25-code wants to merge 1 commit into
netliomax25-code wants to merge 1 commit into
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runtime.Fetch (runtime.go:76) and the get builtin (lib.go:598) read a struct field name with an unchecked i.(string), so indexing a struct held in an any value with a non-string key panics with a raw interface conversion. Use a checked assertion so Fetch falls through to its usual "cannot fetch" error and get returns nil per its no-panic contract.