Files
monkey/internal/builtins/close.go
Chuck Smith 4c9ec5aaaa
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2024-04-02 12:21:41 -04:00

29 lines
513 B
Go

package builtins
import (
"monkey/internal/context"
"monkey/internal/object"
"monkey/internal/typing"
"syscall"
)
// Close ...
func Close(ctx context.Context, args ...object.Object) object.Object {
if err := typing.Check(
"close", args,
typing.ExactArgs(1),
typing.WithTypes(object.IntegerType),
); err != nil {
return newError(err.Error())
}
fd := int(args[0].(object.Integer).Value)
err := syscall.Close(fd)
if err != nil {
return newError("IOError: %s", err)
}
return object.NULL
}