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35 lines
559 B
Go
35 lines
559 B
Go
package ifelse
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type ifExpr[T any] struct {
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condition bool
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}
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type thenExpr[T any] struct {
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condition bool
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consequent T
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}
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// 示例：
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//
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// result := ifelse.If[T](condition).Then(consequent).Else(alternative)
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func If[T any](condition bool) *ifExpr[T] {
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return &ifExpr[T]{
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condition: condition,
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}
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}
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func (e *ifExpr[T]) Then(consequent T) *thenExpr[T] {
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return &thenExpr[T]{
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condition: e.condition,
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consequent: consequent,
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}
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}
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func (e *thenExpr[T]) Else(alternative T) T {
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if e.condition {
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return e.consequent
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}
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return alternative
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}
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