30 lines
439 B
Go
30 lines
439 B
Go
package u
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import "time"
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// P 是一个工具函数，用于在表达式内原地创建一个指针
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func P[T any](v T) *T {
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return &v
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}
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func Today() time.Time {
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var now = time.Now()
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return time.Date(now.Year(), now.Month(), now.Day(), 0, 0, 0, 0, now.Location())
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}
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func Z[T any](v *T) T {
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if v == nil {
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var zero T
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return zero
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}
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return *v
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}
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func Or[T any](v *T, or T) T {
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if v == nil {
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return or
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} else {
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return *v
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}
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}
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