morecmp

package

v0.2.0 Latest Latest Go to latest Published: Mar 18, 2024 License: GPL-3.0 Imports: 1 Imported by: 3

Details

morecmp implements extensions to the standard cmp library.

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type CmpFunc[T any] func(T, T) int

CmpFunc is a convience that represents the comparison functions used by APIs like slices.SortFunc.

func Comparing[T any, E cmp.Ordered](f func(T) E) CmpFunc[T]

Comparing creates a CmpFunc that compares Ts by first converting them into Es.

func ComparingFunc[T, E any](f func(T) E, g CmpFunc[E]) CmpFunc[T]

Comparing creates a CmpFunc that compares Ts by first converting them into Es, then then checking those Es with the provided CmpFunc.

func FalseFirst() CmpFunc[bool]

FalseFirst returns a CmpFunc[bool] that sorts false before true.

func TrueFirst() CmpFunc[bool]

TrueFirst returns a CmpFunc[bool] that sorts true before false.

func (f CmpFunc[T]) AndThen(next ...CmpFunc[T]) CmpFunc[T]

AndThen returns a new CmpFunc that first checks this CmpFunc, and if the comparison is zero, checks the next CmpFuncs in order.

func (f CmpFunc[T]) LessFunc() LessFunc[T]

LessFunc converts this CmpFunc into a LessFunc.

func (f CmpFunc[T]) Reversed() CmpFunc[T]

Reversed returns a new CmpFunc that orders the opposite of this one.

type LessFunc[T any] func(T, T) bool

LessFunc is a convenience that repesents the comparison functions used by older APIs like sort.Slice.