Defers are scoped to the surrounding function, not the surrounding block. In a function that never returns, i.e. one containing an infinite loop, defers will never execute.
for {}
) spins and can block the scheduler SCC-SA5002An empty loop is bad news in two cases: 1) The loop has no condition. In that case, it's just a loop that spins forever and as fast as it can, keeping a core busy.
Useless assignments are usually a result of error. For example:
A net.IP stores an IPv4 or IPv6 address as a slice of bytes. The length of the slice for an IPv4 address, however, can be either 4 or 16 bytes long, using different ways of representing IPv4 addresses.
Issue is raised when templates cannot be parsed by the Parse
function of html/template
or text/template
. For example, {{.Name}} {{.LastName}
can not be parsed and causes runtime errors.