Documentation
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Overview ¶
Package once contains utilities for managing actions that must be performed exactly once.
Index ¶
Constants ¶
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Variables ¶
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Functions ¶
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Types ¶
type Map ¶
Map coordinates actions that must happen exactly once, keyed by user-defined keys.
type Task ¶
type Task struct {
// contains filtered or unexported fields
}
Task manages a computation that must be run at most once. It's similar to sync.Once, except it also handles and returns errors.
func (*Task) Do ¶
Do run the function do at most once. Successive invocations of Do guarantee exactly one invocation of the function do. Do returns the error of do's invocation.
Source Files
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