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59 lines
1.2 KiB
Go
59 lines
1.2 KiB
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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)
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// RemoveValues returns a new array with removed all occurrences of values in a given array.
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// @param array (Array) - Source array.
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// @param values (Array) - Target values.
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// @returns (Array) - A new array with removed all occurrences of values in a given array.
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func RemoveValues(_ context.Context, args ...core.Value) (core.Value, error) {
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err := core.ValidateArgs(args, 2, 2)
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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], core.ArrayType)
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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[1], core.ArrayType)
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if err != nil {
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return values.None, err
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}
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arr := args[0].(*values.Array)
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vals := args[1].(*values.Array)
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result := values.NewArray(int(arr.Length()))
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lookupTable := make(map[uint64]bool)
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vals.ForEach(func(value core.Value, idx int) bool {
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lookupTable[value.Hash()] = true
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return true
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})
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arr.ForEach(func(value core.Value, idx int) bool {
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h := value.Hash()
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_, exists := lookupTable[h]
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if !exists {
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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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return result, nil
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}
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