go - what's wrong with golang constant overflows uint64

Question

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

userid := 12345
did := (userid & ^(0xFFFF << 48))

when compiling this code, I got:

./xxxx.go:511: constant -18446462598732840961 overflows int

Do you know what is the matter with this and how to solve it ? Thanks.

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1 Answer

深蓝 · Answer 1 · 2021-10-23T20:07:11+0000

answered Oct 24, 2021 by 深蓝 (71.8m points)

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