time.go

package goptionals

import "time"

// Time returns a pointer to the time.Time in.
func Time(v time.Time) *time.Time {
	return &v
}

// TimeValue returns the value of the time.Time pointer passed in or time.Time{} if the pointer is nil.
func TimeValue(v *time.Time) time.Time {
	if v != nil {
		return *v
	}
	return time.Time{}
}

// TimeSlice converts a slice of time.Time values into a slice of time.Time pointers
func TimeSlice(src []time.Time) []*time.Time {
	dst := make([]*time.Time, len(src))
	for i := 0; i < len(src); i++ {
		dst[i] = &(src[i])
	}
	return dst
}

// TimeValueSlice converts a slice of time.Time pointers into a slice of time.Time values
func TimeValueSlice(src []*time.Time) []time.Time {
	dst := make([]time.Time, len(src))
	for i := 0; i < len(src); i++ {
		if src[i] != nil {
			dst[i] = *(src[i])
		}
	}
	return dst
}

// TimeMap converts a string map of time.Time values into a string
// map of time.Time pointers
func TimeMap(src map[string]time.Time) map[string]*time.Time {
	dst := make(map[string]*time.Time, len(src))
	for k, val := range src {
		v := val
		dst[k] = &v
	}
	return dst
}

// TimeValueMap converts a string map of time.Time pointers into a string
// map of time.Time values
func TimeValueMap(src map[string]*time.Time) map[string]time.Time {
	dst := make(map[string]time.Time, len(src))
	for k, val := range src {
		if val != nil {
			dst[k] = *val
		}
	}
	return dst
}