const go/token.SHR_ASSIGN

4 uses

	go/token (current package)
		token.go#L62: 	SHR_ASSIGN     // >>=
		token.go#L166: 	SHR_ASSIGN:     ">>=",

	go/parser
		parser.go#L1681: 		token.XOR_ASSIGN, token.SHL_ASSIGN, token.SHR_ASSIGN, token.AND_NOT_ASSIGN:

	go/scanner
		scanner.go#L911: 			tok = s.switch4(token.GTR, token.GEQ, '>', token.SHR, token.SHR_ASSIGN)

The pages are generated with Golds v0.3.2-preview. (GOOS=darwin GOARCH=amd64)
Golds is a Go 101 project developed by Tapir Liu.
PR and bug reports are welcome and can be submitted to the issue list.
Please follow @Go100and1 (reachable from the left QR code) to get the latest news of Golds.