github.com/mutagen-io/mutagen@v0.18.0-rc1/pkg/multiplexing/channel.go (about) 1 package multiplexing 2 3 import ( 4 "time" 5 ) 6 7 // isClosed checks if a signaling channel is closed. 8 func isClosed(channel <-chan struct{}) bool { 9 select { 10 case <-channel: 11 return true 12 default: 13 return false 14 } 15 } 16 17 // wasPopulatedWithTime checks if a time signaling channel was populated with a 18 // time value and drains it if so. 19 func wasPopulatedWithTime(channel <-chan time.Time) bool { 20 select { 21 case <-channel: 22 return true 23 default: 24 return false 25 } 26 }