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56 lines
1003 B
Go
56 lines
1003 B
Go
package syncext
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import (
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"golang.org/x/net/context"
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"time"
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)
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// https://gobyexample.com/non-blocking-channel-operations
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// https://gobyexample.com/timeouts
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// https://groups.google.com/g/golang-nuts/c/Oth9CmJPoqo
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func ReadChannelWithTimeout[T any](c chan T, timeout time.Duration) (T, bool) {
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select {
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case msg := <-c:
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return msg, true
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case <-time.After(timeout):
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return *new(T), false
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}
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}
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func WriteChannelWithTimeout[T any](c chan T, msg T, timeout time.Duration) bool {
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select {
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case c <- msg:
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return true
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case <-time.After(timeout):
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return false
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}
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}
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func WriteChannelWithContext[T any](ctx context.Context, c chan T, msg T) error {
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select {
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case c <- msg:
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return nil
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case <-ctx.Done():
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return ctx.Err()
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}
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}
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func ReadNonBlocking[T any](c chan T) (T, bool) {
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select {
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case msg := <-c:
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return msg, true
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default:
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return *new(T), false
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}
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}
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func WriteNonBlocking[T any](c chan T, msg T) bool {
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select {
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case c <- msg:
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return true
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default:
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return false
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}
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}
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