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73 lines
1.3 KiB
Go
73 lines
1.3 KiB
Go
package ngo
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// Must if error is not empty, will panic
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func Must(err error) {
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if err != nil {
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panic(err)
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}
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}
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// MustV if error is not empty, will panic. otherwise return the value.
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func MustV[T any](v T, err error) T {
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if err != nil {
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panic(err)
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}
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return v
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}
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// ErrOnFail return input error on cond is false, otherwise return nil
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func ErrOnFail(cond bool, err error) error {
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return OrError(cond, err)
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}
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// OrError return input error on cond is false, otherwise return nil
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func OrError(cond bool, err error) error {
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if !cond {
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return err
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}
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return nil
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}
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// FirstOr get first elem or elseVal
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func FirstOr[T any](sl []T, elseVal T) T {
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if len(sl) > 0 {
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return sl[0]
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}
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return elseVal
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}
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// OrValue get
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func OrValue[T any](cond bool, okVal, elVal T) T {
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if cond {
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return okVal
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}
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return elVal
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}
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// OrReturn call okFunc() on condition is true, else call elseFn()
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func OrReturn[T any](cond bool, okFn, elseFn func() T) T {
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if cond {
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return okFn()
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}
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return elseFn()
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}
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// ErrFunc type
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type ErrFunc func() error
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// CallOn call func on condition is true
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func CallOn(cond bool, fn ErrFunc) error {
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if cond {
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return fn()
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}
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return nil
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}
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// CallOrElse call okFunc() on condition is true, else call elseFn()
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func CallOrElse(cond bool, okFn, elseFn ErrFunc) error {
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if cond {
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return okFn()
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}
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return elseFn()
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}
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