mirror of
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125 lines
3.2 KiB
Plaintext
125 lines
3.2 KiB
Plaintext
/*
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{4} ({1} and []{1})
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*/
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// {4} gets the value as a {1}, returns the optionalDefault
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// value or a system default object if the value is the wrong type.
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func (v *Value) {4}(optionalDefault ...{1}) {1} {
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if s, ok := v.data.({1}); ok {
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return s
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}
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if len(optionalDefault) == 1 {
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return optionalDefault[0]
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}
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return {3}
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}
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// Must{4} gets the value as a {1}.
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//
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// Panics if the object is not a {1}.
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func (v *Value) Must{4}() {1} {
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return v.data.({1})
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}
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// {4}Slice gets the value as a []{1}, returns the optionalDefault
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// value or nil if the value is not a []{1}.
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func (v *Value) {4}Slice(optionalDefault ...[]{1}) []{1} {
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if s, ok := v.data.([]{1}); ok {
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return s
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}
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if len(optionalDefault) == 1 {
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return optionalDefault[0]
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}
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return nil
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}
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// Must{4}Slice gets the value as a []{1}.
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//
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// Panics if the object is not a []{1}.
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func (v *Value) Must{4}Slice() []{1} {
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return v.data.([]{1})
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}
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// Is{4} gets whether the object contained is a {1} or not.
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func (v *Value) Is{4}() bool {
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_, ok := v.data.({1})
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return ok
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}
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// Is{4}Slice gets whether the object contained is a []{1} or not.
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func (v *Value) Is{4}Slice() bool {
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_, ok := v.data.([]{1})
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return ok
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}
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// Each{4} calls the specified callback for each object
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// in the []{1}.
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//
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// Panics if the object is the wrong type.
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func (v *Value) Each{4}(callback func(int, {1}) bool) *Value {
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for index, val := range v.Must{4}Slice() {
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carryon := callback(index, val)
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if !carryon {
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break
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}
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}
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return v
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}
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// Where{4} uses the specified decider function to select items
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// from the []{1}. The object contained in the result will contain
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// only the selected items.
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func (v *Value) Where{4}(decider func(int, {1}) bool) *Value {
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var selected []{1}
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v.Each{4}(func(index int, val {1}) bool {
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shouldSelect := decider(index, val)
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if !shouldSelect {
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selected = append(selected, val)
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}
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return true
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})
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return &Value{data:selected}
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}
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// Group{4} uses the specified grouper function to group the items
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// keyed by the return of the grouper. The object contained in the
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// result will contain a map[string][]{1}.
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func (v *Value) Group{4}(grouper func(int, {1}) string) *Value {
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groups := make(map[string][]{1})
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v.Each{4}(func(index int, val {1}) bool {
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group := grouper(index, val)
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if _, ok := groups[group]; !ok {
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groups[group] = make([]{1}, 0)
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}
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groups[group] = append(groups[group], val)
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return true
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})
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return &Value{data:groups}
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}
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// Replace{4} uses the specified function to replace each {1}s
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// by iterating each item. The data in the returned result will be a
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// []{1} containing the replaced items.
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func (v *Value) Replace{4}(replacer func(int, {1}) {1}) *Value {
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arr := v.Must{4}Slice()
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replaced := make([]{1}, len(arr))
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v.Each{4}(func(index int, val {1}) bool {
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replaced[index] = replacer(index, val)
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return true
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})
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return &Value{data:replaced}
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}
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// Collect{4} uses the specified collector function to collect a value
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// for each of the {1}s in the slice. The data returned will be a
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// []interface{}.
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func (v *Value) Collect{4}(collector func(int, {1}) interface{}) *Value {
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arr := v.Must{4}Slice()
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collected := make([]interface{}, len(arr))
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v.Each{4}(func(index int, val {1}) bool {
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collected[index] = collector(index, val)
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return true
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})
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return &Value{data:collected}
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}
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