Files
monkey/internal/builtins/writefile.go
Charles Smith aebbe43999
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Fix VM memory allocation optimizations by reducing what we allocate on the heap
2024-03-31 20:44:50 -04:00

29 lines
588 B
Go

package builtins
import (
"monkey/internal/object"
"monkey/internal/typing"
"os"
)
// WriteFile ...
func WriteFile(args ...object.Object) object.Object {
if err := typing.Check(
"writefile", args,
typing.ExactArgs(2),
typing.WithTypes(object.StringType, object.StringType),
); err != nil {
return newError(err.Error())
}
filename := args[0].(object.String).Value
data := []byte(args[1].(object.String).Value)
err := os.WriteFile(filename, data, 0755)
if err != nil {
return newError("IOError: error writing file %s: %s", filename, err)
}
return object.Null{}
}