mirror of
https://github.com/MontFerret/ferret.git
synced 2024-12-23 01:24:30 +02:00
1af8b37a0f
* New type system * Fixed dot notation for HTML elements
53 lines
975 B
Go
53 lines
975 B
Go
package arrays
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import (
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"context"
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"github.com/MontFerret/ferret/pkg/runtime/core"
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"github.com/MontFerret/ferret/pkg/runtime/values"
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"github.com/MontFerret/ferret/pkg/runtime/values/types"
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)
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func UnionDistinct(_ context.Context, args ...core.Value) (core.Value, error) {
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err := core.ValidateArgs(args, 2, core.MaxArgs)
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if err != nil {
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return values.None, err
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}
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err = core.ValidateType(args[0], types.Array)
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if err != nil {
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return values.None, err
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}
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firstArrLen := args[0].(*values.Array).Length()
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result := values.NewArray(len(args) * int(firstArrLen))
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hashes := make(map[uint64]bool)
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for _, arg := range args {
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err := core.ValidateType(arg, types.Array)
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if err != nil {
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return values.None, err
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}
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arr := arg.(*values.Array)
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arr.ForEach(func(value core.Value, _ int) bool {
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h := value.Hash()
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_, exists := hashes[h]
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if !exists {
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hashes[h] = true
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result.Push(value)
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}
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return true
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})
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}
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return result, nil
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}
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