Leon Mika
ed53173a1d
Extended the "export" command with an "-all" flag. When included, all rows of the table matching the query will be exported to CSV.
69 lines
1.2 KiB
Go
69 lines
1.2 KiB
Go
package sliceutils
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func All[T any](ts []T, predicate func(t T) bool) bool {
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for _, t := range ts {
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if !predicate(t) {
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return false
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}
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}
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return true
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}
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func Generate[U any](from, to int, fn func(t int) U) []U {
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us := make([]U, to-from+1)
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for i := from; i <= to; i++ {
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us[i-from] = fn(i)
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}
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return us
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}
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func Map[T, U any](ts []T, fn func(t T) U) []U {
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us := make([]U, len(ts))
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for i, t := range ts {
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us[i] = fn(t)
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}
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return us
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}
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func MapWithError[T, U any](ts []T, fn func(t T) (U, error)) ([]U, error) {
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us := make([]U, len(ts))
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for i, t := range ts {
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var err error
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us[i], err = fn(t)
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if err != nil {
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return nil, err
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}
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}
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return us, nil
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}
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func Filter[T any](ts []T, fn func(t T) bool) []T {
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us := make([]T, 0)
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for _, t := range ts {
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if fn(t) {
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us = append(us, t)
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}
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}
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return us
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}
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func FindFirst[T any](ts []T, fn func(t T) bool) (returnedT T, found bool) {
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for _, t := range ts {
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if fn(t) {
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return t, true
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}
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}
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return returnedT, false
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}
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func FindLast[T any](ts []T, fn func(t T) bool) (returnedT T, found bool) {
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for i := len(ts) - 1; i >= 0; i-- {
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t := ts[i]
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if fn(t) {
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return t, true
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}
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}
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return returnedT, false
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}
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