23 lines
452 B
Go
23 lines
452 B
Go
package builtins
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import (
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"monkey/internal/object"
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"monkey/internal/typing"
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)
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// HashOf ...
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func HashOf(args ...object.Object) object.Object {
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if err := typing.Check(
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"hash", args,
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typing.ExactArgs(1),
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); err != nil {
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return newError(err.Error())
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}
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if hash, ok := args[0].(object.Hashable); ok {
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return &object.Integer{Value: int64(hash.HashKey().Value)}
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}
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return newError("TypeError: hash() expected argument #1 to be hashable")
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}
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