21 lines
420 B
Go
21 lines
420 B
Go
package builtins
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import (
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"monkey/object"
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)
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// Reversed ...
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func Reversed(args ...object.Object) object.Object {
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if len(args) != 1 {
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return newError("wrong number of arguments. got=%d, want=1",
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len(args))
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}
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if a, ok := args[0].(*object.Array); ok {
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newArray := a.Copy()
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newArray.Reverse()
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return newArray
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}
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return newError("argument #1 to `reversed` expected to be `array` got=%T", args[0].Type())
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}
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