common

func AsInterfaceSlice ¶

func AsInterfaceSlice[T any](in []T) []interface{}

func DerefOr ¶

func DerefOr[T any](tp *T, fallback T) T

DerefOr returns value pointed by `tp` or the fallback supplied

func Max ¶

func Max[T cmp.Ordered](i1 T, rest ...T) T

Max returns the greatest item of all supplied

func Min ¶

func Min[T cmp.Ordered](i1 T, rest ...T) T

Min returns the minimum item of all supplied

func PartitionSliceByLength ¶

func PartitionSliceByLength[T comparable](items []T, maxItems int) [][]T

PartitionSliceByLength partitions a slice into multiple slices of up to `maxItems` size

func PointerOf ¶

func PointerOf[T any](x interface{}) *T

PointerOf performs a type-assertion to T and returns a pointer if successful, nil otherwise.

func Ref ¶

func Ref[T any](x T) *T

Ref creates a copy of `x` in heap and returns a pointer to it

func RefOrNil ¶

func RefOrNil[T comparable](x T) *T

RefOrNil returns a pointer to the value supplied if it's not the default value, nil otherwise

func UnorderedDedupedCopy ¶

func UnorderedDedupedCopy[T comparable](items []T) []T

DedupeInNewSlice creates a new slice from `items` without duplicate elements

func ValueOr ¶

func ValueOr[T comparable](in T, fallback T) T

ValueOr returns the supplied value if it has something other than the default value for type T. Returns `fallback` otherwise

func WithAttempts ¶

func WithAttempts(attempts int, main func() error) error

WithAttempts executes a function N times or until no error is returned

func WithBackoff ¶

func WithBackoff(duration time.Duration, main func() error) func() error

WithBackoff wraps the function to add Exponential backoff

func WithBackoffCancelling ¶

func WithBackoffCancelling(unit time.Duration, max time.Duration, main func() bool) func()

WithBackoffCancelling wraps the function to add Exponential backoff