23 lines
447 B
Go
23 lines
447 B
Go
package builtins
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import (
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"fmt"
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"monkey/internal/context"
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"monkey/internal/object"
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"monkey/internal/typing"
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)
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// Chr ...
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func Chr(ctx context.Context, args ...object.Object) object.Object {
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if err := typing.Check(
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"chr", args,
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typing.ExactArgs(1),
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typing.WithTypes(object.IntegerType),
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); err != nil {
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return newError(err.Error())
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}
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i := args[0].(object.Integer)
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return object.String{Value: fmt.Sprintf("%c", rune(i.Value))}
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}
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