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32 lines
687 B
Go
32 lines
687 B
Go
package util
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import (
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"constraints"
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"os"
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"path/filepath"
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"runtime"
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)
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func Clone[T any](x T) *T {
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return &x
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}
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func CurrentDir(path ...string) string {
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if _, currentFilePath, _, _ := runtime.Caller(1); len(path) == 0 {
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return filepath.Dir(currentFilePath)
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} else {
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return filepath.Join(filepath.Dir(currentFilePath), filepath.Join(path...))
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}
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}
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// 检查文件或目录是否存在
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// 如果由 filename 指定的文件或目录存在则返回 true，否则返回 false
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func Exist(filename string) bool {
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_, err := os.Stat(filename)
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return err == nil || os.IsExist(err)
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}
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func ConvertNum[F constraints.Integer, T constraints.Integer](from F, to T) T {
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return T(from)
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}
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