/
utils.go
49 lines (43 loc) · 1.55 KB
/
utils.go
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// Copyright (c) 2022 Matt Way
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to
// deal in the Software without restriction, including without limitation the
// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
// sell copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
// IN THE THE SOFTWARE.
package cycle
import (
"context"
"fmt"
)
// ErrFuncToTask converts fn to a TaskFunc.
func ErrFuncToTask(fn func() error) TaskFunc {
return func(context.Context) error {
return fn()
}
}
// FuncToTask converts fn to a TaskFunc.
func FuncToTask(fn func()) TaskFunc {
return func(context.Context) error {
fn()
return nil
}
}
func prefixedError(prefix string, err error) error {
if len(prefix) > 0 {
return fmt.Errorf("%s: %w", prefix, err)
}
return err
}