mirror of https://github.com/tidwall/tile38.git
41 lines
992 B
Go
41 lines
992 B
Go
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package collection
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import "github.com/tidwall/tile38/internal/collection/item"
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// // FieldIter ...
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// type FieldIter interface {
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// ForEachField(count int, iter func(value float64) bool)
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// GetField(index int) float64
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// HasFields() bool
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// }
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// Fields ...
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type Fields struct {
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item *item.Item
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}
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// ForEach iterates over each field. The count param is the number of
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// iterations. When count is less than zero, then all fields are returns.
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func (fields *Fields) ForEach(count int, iter func(value float64) bool) {
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if fields == nil || fields.item == nil {
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return
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}
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fields.item.ForEachField(count, iter)
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}
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// Get returns the value for a field at index. If there is no field at index,
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// then zero is returned.
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func (fields *Fields) Get(index int) float64 {
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if fields == nil || fields.item == nil {
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return 0
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}
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return fields.item.GetField(index)
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}
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func itemFields(item *item.Item) *Fields {
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if item == nil || !item.HasFields() {
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return nil
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}
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return &Fields{item: item}
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}
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