Files
monkey/object/builtin_input.go
Chuck Smith 43362475f9
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seperated builtins
2024-03-20 17:01:45 -04:00

31 lines
528 B
Go

package object
import (
"bufio"
"fmt"
"io"
"os"
)
// Input ...
func Input(args ...Object) Object {
if len(args) > 0 {
obj, ok := args[0].(*String)
if !ok {
return newError(
"argument to `input` not supported, got %s",
args[0].Type(),
)
}
fmt.Fprintf(os.Stdout, obj.Value)
}
buffer := bufio.NewReader(os.Stdin)
line, _, err := buffer.ReadLine()
if err != nil && err != io.EOF {
return newError(fmt.Sprintf("error reading input from stdin: %s", err))
}
return &String{Value: string(line)}
}